| Label 标示语，标号 | labelled compound 标记化合物 | labelling (1)标记(2)示踪 |
| laboratory 实验室 | lacquer (1)漆(2)喷漆 | lacquer coating 漆涂层 |
| lad running 负载逸行 | Ladder diagram 梯形图 | ladder filter 梯形滤波器 |
| laead wire 引线 | laer calorimeter 激光量热器 | laer interferometr manometer 激光千涉气压计 |
| laer isotope separation 激光同位素分离 | laer machnie 激光加工机 | laer mapping equipment 激光测绘机 |
| laer material processing 激光加工 | laer medium 激光媒质 | laer microannalysis 激光微量分析 |
| laesr satellite tracking installation 激光卫星跟踪装置 | laevorotatory 左旋光的 | laevorotatory substance 左旋物质 |
| lag (1)移后(2)落后(3)滞 | lag characteristic 滞后特性 | lag curve 滞后曲线 |
| lagging circuit 滞后电路 | Lagrange's identity 拉格朗日恒等式 | Lagrange's invariant 拉格朗日不变量 |
| Lagrangian (1)拉氏函数(2)拉氏算符 | Lagrangian desity 拉格朗日密度 | Lagrangke's equation 拉格朗日方程 |
| lalsing threshold 激光阈值 | Lamb dip 兰姆凹陷 | Lamb dip frequency stabilization 兰姆凹陷稳频 |
| Lamb shift 兰姆移动 | Lamb's semiclassical theory 兰姆半经典理论 | Lamber's consine relatino 朗伯余弦关系式 |
| Lamber't's law radiator 朗伯律辐射体 | lambert 朗伯 | Lambert's cosine law 朗伯余弦定律 |
| Lambert's(absorption)law 朗伯（吸收）定律 | Lambertian distrbution 朗伯分布 | Lambertian emitter 朗伯发射体 |
| Lambertian extened source 朗伯扩展光源 | Lambertian reflector 朗伯反射体 | Lambertian source 朗伯源 |
| Lambertian source plane 朗伯光源平面 | Lambertian surface source 朗伯表面光源 | lamella 薄片，薄层 |
| Lamellar grating 层状光栅 | lamellar grating interferometer 层状光栅干涉仪 | lamina (1)薄片，薄板(2)层状体 |
| laminar film 片状膜 | laminar flow dye laser 层流染料激光器 | laminar grating 层式光栅 |
| laminarization 片状化，层状化 | Laminated 分层的，迭片的 | laminated cell 迭层电池 |
| laminated glass 迭层玻璃 | laminated media 分层媒质 | lamination (1)分层(2)迭片(3)纹理 |
| laminography X射线分层法 | lamp 灯 | lamp base 灯座 |
| lamp black 灯炱 | lamp bulb 灯泡 | lamp cord 灯线 |
| lamp disply panel 灯光显示盘 | lamp efficiency 灯发光效率 | lamp holder 灯座 |
| Lamp housing 灯罩壳 | lamp plug 灯插头 | lamp socket 灯插座 |
| lamp switch knbo 灯开关旋钮 | lamp wire (1)灯线(2)灯丝 | lamp-house 灯罩 |
| Land 地 | land surveying 大地测量 | Landasat 陆地侦察卫星 |
| Landau shift 兰道移动 | landing angle 降落角，着陆角 | Landing light system 空降导航灯组 |
| Landolt band 兰杜特带 | Landolt ring 兰杜特环 | Lang camera 兰氏照相机 |
| langley 兰利 | Langmuir dark space 朗缪尔暗区 | Langmuir probe 朗缪尔探针 |
| Languir turbulence 朗缪尔湍流 | lanscape lens 取景镜头 | lantern (1)信号灯(2)幻灯 |
| lanthanide 镧 | lanthanide elements 镧旋元素 | lanthanum (La) 镧 |
| lanthanum beryllate laser 铍酸镧激光晶体 | lanthanum crown glass 镧冕玻璃 | lanthanum flint glass 镧火石玻璃 |
| lanthanum fluoride 氟化镧 | lanthanum fluoride active medium 氟化镧激活媒质 | lanthanum glass 镧玻璃 |
| lanthanum oxysulfide laser (LOS laser) 氧化硫化镧激光器 | lanthanum titanate 钛酸镧 | lanthanum titanate single crystal 锠酸镧单品 |
| Lanthar lens 兰泰尔镜头 | Lanu montonic scattering 劳厄单色散射 | lanuchvehicel 运载火箭 |
| lap joint 搭接，迭接 | laparoscope 腹腔镜 | Laplace transform 拉普拉斯变换 |
| Laplacian edge enhancement 拉卜拉士算符边缘增强 | Laplacian operator 拉普拉斯算符 | lapping (1)抛光，研磨(2)搭接，重迭(3)余面 |
| lapping machine 精研机 | lapping plate 精研板 | lapping powder 研磨粉 |
| Laps 磨刀 | large aperture lenses (150mm) 大口径透镜(直径150mm以上) | large area tansmittance density 大面积透射系统 |
| large field speckle interferometery 大视场光斑干涉测量法 | large interference microscope 大型干涉显微镜 | large matrix store 大容量矩阵存储器 |
| large optical cavity 大光学共振腔 | large otpical cavity laser 大光腔激光器 | large projection display 大型投影显示 |
| large radius rsonator 大半径共振腔 | large resarch microscope 大型科研显微镜 | large scale digital computer 大型数字计算器 |
| large scale integrated circuit 大规模集成电路 | large scale metrology 大尺寸测量法 | large screen disply 大屏幕显示 |
| Large signal amplifier 大信号放大电路 | large toolmaker's measuring microscope 大型工具测量显微镜 | large-angle scanning 广角扫描 |
| large-aperture optical system 大孔径光学系统 | large-capacity communication 高容量通信 | Large-core fiber 粗光纤 |
| large-diameter lens 大口径透镜 | large-displacement holography 大位移全息照相术 | large-Fresnel-number optical resonator 大菲涅耳数光学共振器 |
| large-scale integration (LSI) 大规模集成电路 | Larmor prescession frequency 拉穆尔进动频率 | laryngoscope 喉头镜 |
| lasability 可激射性 | lasable 可激射的 | lasable dye 可激射染性 |
| lasant 激射物 | lasar oscillator-amplifier system 激生振荡放大系统 | Lascr 光启硅控整流器 |
| Lascs 光启硅控开关 | lase 光激射 | lase crystal 激光激晶体 |
| lasecon 激光转换器 | Laser 激光 | laser (light amplification by stimulated emssion of radiation) (1)激光(2)激光器 |
| laser absolute gravimeter 激光绝对重力计 | Laser absorption spectroscopy 激光吸收光谱学 | Laser absortion 激光切削 |
| laser accelerator 激光加速器 | laser accelerometer 激光加速度计 | laser accumulation 激光能量聚集 |
| laser acoustic signal 激光一声学信号 | laser acquistion system 激光搜索系统 | laser action 激光作用 |
| laser activation 激光引发 | laser activity 激旋光性能 | laser aerocamera 激光航空照相机 |
| laser aid 激光装置 | laser aiming (1)激光瞄准(2)激光引导 | laser aligner 激光准直器 |
| laser alignment error 激光准直误差 | laser alignment telescope 激光瞄准望远镜 | laser altimeter 激光高度计 |
| laser amplifier 激光放大器 | laser anemometer 激光风速计 | laser anemometer signal 激光风速计信号 |
| laser anemometry 激光风速计量 | laser annealing 激光退火 | laser annealing equipment 激光退火装置 |
| laser appliation in ophthalmology 眼科激光应用 | laser arrangment 激光装置 | laser array 激光数组 |
| laser arrray source package 激光数组源件 | laser arry axis 激光数组轴 | laser automatic tracking system 激光自动跟踪系统 |
| laser back scatter device 激光后向射装置 | laser baem follower 激光束跟踪装罝 | laser bandwith 激光带宽 |
| laser bar 激光棒 | Laser basic mode 激光器基模 | laser beam (1)激光指向标(2)激光信标 |
| laser beam aplitter 激光分光镜 | laser beam danger 激光束 | laser beam disflection sensor 激光束损伤危险 |
| laser beam expander 激光束偏转传感器 | laser beam flying 激光束望远镜 | laser beam focus 激光束扫描 |
| laser beam foucing 激光束焦点 | laser beam profile measuring equipment 激光束波形量测器 | laser beam tracker 激光跟踪器 |
| laser beam trapping 激光束俘 | laser beam welding 激光束焊接 | laser beam-expanding telescope 激光束扩展器 |
| laser bioeffect 激光生物效应 | laser bleaching 激光漂白 | laser boring 激光打孔 |
| laser callimator 激光准直仪 | laser cammera 激光摄像机 | laser carrier 激光载波 |
| laser cavity 激光器腔 | laser cavity configuration 激光腔体结构 | laser cavity dumper 激光腔倒空器 |
| laser ceilmeter 激光测云仪，激光云高计 | Laser ceilomenter 激光云罩测高仪 | Laser cell sorting 激光式细胞析出 |
| laser cells 激光用盒 | laser channel capacity 激光信道容量 | laser coagulators (Ar, YAG) 激光光凝固设备(Argon,YAG) |
| Laser Coagulators(Ar, YAG) 激光光凝固设备(Argon,YAG) | laser coating 激光镀膜 | laser coelosate 激光定向仪 |
| laser color printers 彩色激光打印机 | laser colorimeter 激光色度仪 | laser colour film recorder 激光彩色胶片记录器 |
| laser computing machine 激光计算器 | laser cone calorimeter 激光锥形量热器 | laser control equipment 激光控制设备 |
| Laser controlled area 激光控制区 | laser cooling 激光冷却 | laser correlation spectroscopy 激光相关光谱学 |
| laser criber 激光划线器 | laser cross-beam velocimeter 交叉激光束速度计 | laser crystal orientatin instrument 激光晶体定向仪 |
| laser cutting 激光切割；激光切割 | Laser damage 激光破坏 | laser damage in crystal 晶体激光损伤 |
| laser damage in optical coating 玻璃激光损伤 | laser damage threshold 光学镀层激光损伤 | laser defect inspection equipment 激光缺陷检查设备 |
| laser deflection 激光损伤阈 | laser defletor 激光偏转 | laser demdulator 激光偏转器 |
| laser density probe 激光媒质密度探针 | laser designator 激光指示器 | laser detector 激光探测器 |
| laser diagnostics 激光诊断 | laser digital color copy machines 彩色激光数字复印机 | laser digital monochrome copy machines 单色激光数字复印机 |
| laser diode 激光二极管 | laser diode array 激光二朽体数组 | Laser diode coupler 激光二极管偶合器 |
| Laser Diodes 激光二极管 | laser disc (LD) players LD 影碟机 | laser discs LD 影盘片 |
| laser displacement meters 激光移位计 | laser display 激光显示 | laser displays 激光显示器 |
| laser distance detecotr 激光测距仪 | laser Dopple homodyne detection 激光多普勒零拍检测 | laser Doppler velocimeter 激光多普勒测速计 |
| laser Doppler anemometer 激光多普勒风速计 | laser doppler blood current velocity meters 激光都卜勒血流计 | laser Doppler radar 激光多普勒雷达 |
| laser doppler rotational speed meters 激光都卜勒转速仪 | laser Doppler spectrometer 激光多普勒分光计 | Laser doppler velocimeter 激光都卜勒速度计 |
| laser doppler velocimeters 激光都卜勒测速计 | laser Doppler velocimetry (LDV) 激光多普勒测速法 | laser Dppler veloicty meassuremtn 激光多普勒测速 |
| Laser drill 激光钻孔 | laser dust monitors 激光粉尘监视器，粒径量测器 | laser dyanamic balancing 激光动平衡 |
| laser dye 激光染料 | laser dyes 激光用染料 | laser enrichment 激光浓缩 |
| laser entertainment equipment 激光娱乐器材 | laser enxtensometer 激光延伸计 | laser equipment for printing 印刷制版用激光装备 |
| laser etalon 激光标准具 | laser evaporation and deposition 激光蒸发与淀积 | laser exciation 激光激发 |
| laser exciter 激光激发源 | laser extension meter 激光拉伸计 | laser eye protection 眼的激光防护 |
| Laser eyewear 激光护目镜 | laser facsimile printing 激光传真印刷 | laser facsimiles 激光传真机 |
| Laser fiber-optic transmission system 激光光纤传输系统 | laser fingerprint detectors 激光指纹检测器 | laser flow cyto meters 激光流体细胞仪 |
| laser flowmeter 激光流量计 | laser focal shift monitor 激光焦点移测器 | laser focusing system 激光聚焦系统 |
| Laser footprint 激光足迹 | laser frequency 激光频率 | laser frequency doubling 激光倍频 |
| Laser frequency measurement 激光频率测量 | laser frequency stability 激光频率稳定性 | Laser frequency switch 激光频率开关 |
| laser fusion 激光核聚变 | laser gain switching 激光增益开关 | laser gear 激光设备 |
| laser generated secod harmonic wave 激光辐射二次谐波 | laser generation 激光振荡 | laser generator 激光发生器 |
| laser geodynamic satellite 激光地球动力卫星 | laser glass 激光玻璃 | laser gravimeter 激光重差计 |
| laser grooving 激光刻槽 | laser guidancel 激光制导 | laser guided weapon 激光制导武器 |
| laser gun 激光炮 | laser gyro axis 激光陀螺轴 | laser gyro package 激光陀螺装置 |
| laser gyroscope 激光陀螺 | Laser gyroscope( or gyro) 激光回转器，激光陀螺仪 | laser harmonic 激光谐波 |
| Laser hazard 激光危害 | Laser head 激光头 | laser head assembly 激光头装置 |
| laser head of plasma 激光加热等离子体 | laser heterodyne acoustic sensor 激光外差式声学传感器 | laser heterodyne system 激外差拍系统 |
| laser heterodynes measurement 激光外差测量 | laser hologram (1)激光全息图(2)激光全息照片 | Laser holographic camera 激光全像照相机 |
| laser homing equipment 激光寻的装置 | laser homing head axis 寻的头轴 | laser host material 激光基质材料 |
| laser illumination 激光照明 | laser illuminator 激光照明器 | laser image-speckle interferometer 激光像斑干涉仪 |
| laser imagery rectoder 图像记录器 | laser imate converter (LIC) 激光图像转换器 | laser implosion 激光向心爆炸 |
| laser induced 激光感生的，激光感应的，激光引发的 | laser induced alignment 激光感生准直 | laser induced breakdown 激感生击穿 |
| laser induced chemical reasction 激光致化学反应 | laser induced crack 激光致裂纹 | laser induced damage 激光致损伤 |
| laser induced fluorescence 激光感生荧光 | laser induced fluorescence spectroscopy 激光感生荧光光谱学 | laser induced fluorescene spectrum 激光感生荧光光谱 |
| laser induced gas 激光感生气体 | laser induced photodissociation 激生感生光解 | laser induced spark light source 激光感生火花光源 |
| laser initiated 激光引发的 | laser instrumentation 激光计测 | laser intelligence data 激光信息数据 |
| laser interfermetry 激光干涉测量 | Laser interferometer 激光干涉计 | laser interferometer camera 激光干涉仪照相机 |
| laser interferometer with autophoto-electrial conunting 自动光电记数激光干涉数 | laser intergfermeter 激光干涉仪 | laser interplanetar communication 行星际激光通信 |
| laser intersatellite communication 卫景间激光通信 | laser intra-acvity technique 激光内腔技术 | laser irradiated surface 激光辐照面 |
| laser irradiation 激光辐照 | Laser isotope sparation 激光同位素分离 | laser job shops 激光加工代工中心 |
| laser Kerr cell 激光克尔盒 | laser laryer 激射层 | laser length measuring machine 激光测长机 |
| laser length standar 激光长度基准 | laser lenses 激光透镜 | laser level 激光能级 |
| laser level meter 激光水平仪 | laser leveler 激光水平仪 | laser levels 激光水平仪 |
| laser leviation 激光悬浮 | laser levver 激光器杠杆 | laser lighthouse 激光灯塔 |
| laser ligth demodulating system 激光解调系统 | laser ligthing 激光照明 | laser line 激光线 |
| Laser line filter 激光线滤器 | laser line-scanning sensor 激光线扫描传感器 | laser linear comparator 激光线性比较仪 |
| Laser linewidth 激光光谱线宽 | laser linewith 激光线宽 | laser local oscillator 激光本机振荡器 |
| laser locator (1)激光定位器(2)激光探测器 | laser locking 激光同步 | laser lockon (1)激光跟踪(2)激光锁定 |
| laser lunar ranging 激光月球测距 | laser machining 激光加工机 | laser marking-off equipment 激光标线设备 |
| laser material 激光材料 | laser medicine 激光医学 | Laser medium 激光介质 |
| laser melt quenching 激光熔融猝灭 | laser memory 激光存储器 | laser micromachining 激光微型工 |
| laser microscope 激光显微镜 | laser microscopes 激光显微镜 | Laser microscopy 激光显微术 |
| laser mirror 激光器反射镜 | laser mirrors 激光面镜 | laser missile tracker 激光导弹跟踪仪 |
| laser modulation 激光调制 | laser modulation distance meters 激光调变测距方式距离传感器 | laser modulator 激光调制器 |
| laser monochrome printers 单色激光打印机 | laser needles for acupuncture 激光针(针灸用) | laser noise 激光噪声 |
| laser nozzle 激光喷嘴 | laser onding 激光焊接 | laser opthalmoscope 激光检眼镜 |
| laser optical bench 激光光具座 | laser optics 激光光学 | laser optoacoustic detection 激光生声探测 |
| laser optoacoustic method 激光光声法 | laser oscillation condiation 激光器的振荡条件 | laser oscillator 激光振荡器 |
| laser outer diameter measuring sensors 激光外径测定器 | laser output spectrum 激光输出光谱 | Laser pattern generation 激光图形产生器 |
| Laser pen 激光笔 | laser phased array 激光相控数组 | Laser photochemistry 激光光化学 |
| laser photocoagulator 激光凝聚器 | laser photography 激光照相术 | laser photometer 激光光度计 |
| laser photometry 激光光度学 | laser phtolysis 激光光解 | laser physics 激光物理学 |
| laser piercing power 激光穿透能力 | laser pipe fibre optics 激光管纤维光学 | laser plasma tube 激光器等离子管 |
| laser platform 激光平台 | laser plume 激光羽 | laser pointers 激光指示器 |
| laser pollution detective devices 激光公害检测设备 | laser positioning equipment 激光定位设备 | laser power 激光功率 |
| laser powered engine 激光动力引擎 | laser precision length measurement 激光精密测长 | laser printer 激光印刷机 |
| laser probbility 激光跃迁概率 | laser probe 激光探针 | laser probing 激光探测 |
| laser processing 激光加工 | laser projection microscope 激光投影显微镜 | laser protective eyewave 激光护目镜 |
| Laser protective housing 激光安全（保护）罩 | laser pulment level 激光锤准器 | laser pulse length 激光脉冲长度 |
| laser pump (1)激光泵(2)激光抽运 | laser pumping 激光抽运 | laser pyrolysis gas chromatography 激光热解气体色谱法 |
| Laser q-spoiler, q-spoiler 激光抑制器 | laser Q-switches Q 开关 | laser radar 激光雷达 |
| laser Ramn specrophotometer 激光喇曼分光光度计 | laser range finder 测光测距仪 | Laser rangefinder 激光测距仪 |
| laser rangefinding 激光测距 | laser rangepole 激光测距竿 | laser ranging station 激光测距站 |
| laser rate equation 激光速率方程 | laser recevier system 激光接收系统 | laser reconnaissance camera 激光侦察照相机 |
| laser recorder 激光记录器 | laser reflector 激光反射器 | Laser reflow soldening 激光动流焊接 |
| laser rendezvous technique 会合用激光技 | Laser resistor trimming 激光电阻微修整 | laser resonator 激光器共振腔 |
| laser rifle 激光桧 | laser rligth 激光 | laser rod 激光棒 |
| laser rods 激光棒 | laser safety standard 激光安全标准 | laser satellite 激光卫星 |
| laser satellite tracking station 激光卫星跟踪站 | laser satellite-to-satellilte communication 卫星间激光通信 | laser saturation spectrocopy 激光饱和光谱学 |
| laser scalper 激光手术刀 | laser scanner-plotter 激光扫描绘图器 | laser schieren photography 激光纹影照相术 |
| laser schlieren apparatus 激光纹影仪 | laser searchlight 激光探照灯 | laser security/surveillance equipment 人体检知传感器，激光保全设备 |
| laser seismometer 激光地震仪 | laser sensor 激光传感器 | Laser service connection 激光连接件 |
| laser sihgt 激光瞄准器 | laser singal 激光信号 | laser skin protection 皮肤的激光防护 |
| laser slabs 激光板 | laser solution 激光溶解 | laser spac-to-ground voce link 激光空对地通话系统 |
| laser spacraft comunication 宇宙飞船激光通信 | laser spec communicaion 空间激光通信 | laser speckle 激光斑点 |
| laser speckle interfermetry 激光斑干涉量度术 | laser spectral output 激光光谱输出 | laser spectrograph 激光摄谱仪 |
| laser spectroscopy 激光光谱学 | laser spectrum 激光光谱 | laser spiking 激光尖峰 |
| laser squib 激光引爆器 | laser star-up system 激光起动系统 | laser Stark spectroscopy 激光斯塔克光谱学 |
| laser strainmeter 激光应变计 | laser streak velocimeter 激光条纹速度计 | laser streemetry 激光测体积术 |
| laser stylus 激光唱针 | laser surface inspection equipment 激光表面检查设备 | laser surgery 激光手术 |
| laser surveillance 激光监视 | laser switch 激光开关 | laser system 激光系统 |
| laser target 激光靶 | laser technique in computers 计算器激光技术 | laser technology in agriculture 农业激光技术 |
| laser televison 激光电视 | laser televison camera 激光电视摄影机 | laser terrain avoidance sensor 激光防撞传感器 |
| laser terrain-clearance indcator 激光测高计 | laser theodlites/transits 激光经纬仪 | laser theodolite 激光经纬仪 |
| laser thermal constants measurement equipment 激光热常数量测设备 | laser thickness gauges 激光厚度计 | laser threshold 激光阈值 |
| laser tracked satellite 激光跟踪卫星 | laser tracker 激光跟踪装置 | laser trackign head 激光跟踪头 |
| laser tracking 激光跟踪 | laser tracking axis 激光跟踪轴 | laser tracking subnet 激光跟踪分网 |
| laser tracking system 激光跟踪系统 | laser transfer printing 激光转换印刷 | laser transit telescope 激光经纬仪 |
| laser transition 激光跃迁 | laser transition frequency 激光跃迁频率 | laser transmission 激光传剸 |
| laser transmitter 激光发射机 | laser trimmer 激光微调器 | laser trimming 激光微调 |
| laser tube 激光管 | laser tubes and bores 激光管 | laser underwater comunication 水下激光通信 |
| laser vaporization 激光汽化 | laser vector velocimeter 激光矢量速度计 | laser velocimeter 激光速度计 |
| laser velocimetry 激光速度学 | laser vibration probe 激光振动探针 | laser videodisk system 激光录盘系统 |
| laser voice link 激光通话线路 | laser watch-dog 激光监视器 | laser waveform generator 激光波形发生器 |
| laser weapon 激光武器 | Laser welder 激光焊器 | laser welding 激光焊接 |
| laser window 激光窗 | laser with strip geometry 激光垂直型激光器 | laser zenith meter 激光垂直仪 |
| laser-activated fusion 激光引发聚变 | laser-based airborne measurement system 激光机载测量系统 | laser-callibrated 激光校准的 |
| laser-Doppler anemometry 激光多普勒风速测定法 | laser-drilling 激光钻孔 | laser-EDP seetup 激光电子数据处理装置 |
| laser-electroptic technology 激光电光技术 | laser-gated 激光选通 | laser-gated ringt vision sight 激光选通夜视瞄准器 |
| laser-guided bomb 激光制导炸弹 | laser-impack crater 激光冲击口 | Laser-induced fluorescence spectroscopy 激光激发荧光光谱学 |
| laser-irradiated layered target 激光轴照分层靶 | laser-micro-strin guage 激光微应变计 | laser-microwave 激光微波 |
| laser-mode control 激光模控制 | laser-plane targe 激光平面靶 | laser-powered space vehicle 激光动力宇宙飞船 |
| laser-produced plasma 激光产产的等离子体 | laser-quenching 激光淬火 | laser-scope 激光观察器，激光显示器 |
| laser-seeker (1)激光制导导弹(2)激光寻的器 | laser-target indicator 激光指示器 | laser-target plasma 激光靶等离子体 |
| laser-target positioner 激光靶定位装置 | laser-triggered spark gap 激光触发火花隙 | laser-triggered switch 激光触发开关 |
| Laser-triggered switching(LTS) 激光触动开关 | Laser-trimming 激光微修整 | laser-welding machine 激光焊接器 |
| lasercom (laser communictation) 激光通信 | lasergraphy 激光照相术 | lasering (1)激光作用(2)产生激光 |
| laserium 激光天象仪 | laserphoto 激光照片传真 | laservessel 激光器容器 |
| lash system 激光半主动寻的系统 | lasing (1)激光作用(2)产生激光的 | lasing ability 光激射率 |
| lasing action 激光作用 | lasing diode 激光二极管 | lasing light emitter (1)激光源，激光发射体(2)相干光源 |
| lasing linewidth 激光线宽 | lasing mode 激光模 | lasing safety 激光防护 |
| Lasing threshold 发激光底限 | lasing time 激光振荡时间 | lasr microspectral analyzer 激光显微光谱分析仪 |
| lasting ehavior 激旋光性能 | Latch circuit 闩定电路 | latching circuit 闭锁电流 |
| Latching relay 闩定继电路 | latck 锁闩，插销 | latensification 潜影加强，潜影强化 |
| latent astiggmatism 潜在像散 | Latent color 横向色 | latent heat 潜热 |
| latent image 潜像 | latent light 潜光 | latent squint 潜在斜视 |
| latent sub-image 亚潜像 | latent vector 本征矢量 | later magnification 横向放大 |
| lateral adjuster 横向调整器 | lateral axis 横轴 | lateral chromatic aberration 横向色像差 |
| lateral clinometer 横向测斜仪 | lateral coherence 横向相干性 | lateral color aberration 横向色像差 |
| lateral discorder 横向无序 | Lateral displaceent loss 横向位移损耗 | Lateral extensometer 横向伸长计 |
| lateral interferometry 横向干涉术 | Lateral magnification 横向放大率 | lateral magnifying power 横向放大率 |
| lateral mode (1)横向型(2)横模 | lateral mode selection 横模选择 | lateral movement 侧向移动 |
| Lateral offset loss 横向补偿损失 | lateral plan 侧视图 | lateral refraction 横向折射 |
| lateral shaear interferometry 横向剪切干涉术 | lateral shearing interferometer 横向剪切干涉仪 | lateral shearing interferometric technique 横向剪切干涉计量技术 |
| lateral slide 横向带板 | Lateral spherical aberration 横向球面像差 | lateral view 侧像图 |
| Lateral vision 横向视觉 | Lateral wave 横向波 | lateranl aberation 横向像差 |
| laternal spherical aberration 横条球面像差 | latex film 乳胶膜，乳液膜 | lath 板条 |
| lathe 车床 | latitude (1)纬度，纬度(2)宽容度(3)曝光范围 | latitude of exposure 曝光宽容度 |
| lattic (1)点阵(2)格子 | Lattice 晶格，点阵 | lattice asymmetry 点阵不对称 |
| lattice constant 点阵常数 | lattice disorder 点阵无序 | Lattice energy 晶格能 |
| lattice function 点阵函数 | lattice matching 点阵匹配 | lattice point 阵点 |
| lattice relaxation 点阵弛豫 | lattice scattering 点阵散射 | lattice structure 点阵结构 |
| lattice theory 点阵理论 | lattice vacancy 点阵空位 | lattice vibration 点阵振动 |
| lattice vibrational spectrum 点阵振动光谱 | lattice wave 点阵波 | Laue camera 劳型X射线照相机 |
| Laue diffraction 劳厄衍射 | Laue diffraction equation 劳厄衍射方程 | Laue diffraction pattern 劳厄衍射图样 |
| Laue interference 劳厄干涉 | Laue method 劳厄法 | Laue phtograph 劳厄照相 |
| Laue point 劳厄点 | Laue spot 劳厄斑 | Laue symmetry 劳劳厄对称 |
| Laue's conditions 劳厄条件 | Laue's equation 劳厄方程 | launch (1)发动，起动(2)激发，激励 |
| Launch angle 发射角 | launch escape system 发射逃逸系统 | Launch numerical aperture(LNA) 发射数值孔径 |
| launcher 发射装置，起动装置 | launching charcteristic 发射特性 | Launching fiber 发射纤维 |
| Laurent half shade plate 洛冉半影片 | Laurent polarimeter 劳朗偏振计 | Laval nozzle 拉瓦尔喷嘴 |
| lavevorotaion 左旋 | law (1)定律(2)规律 | law of Beer 比耳定律 |
| law of Brewster 布儒斯特定律 | law of combination of errors 误差合成定律 | law of extreme path 极端光程定律 |
| law of photoelectricity 光电律 | law of reciprocity 倒易律，反比律 | law of reflection 反射定径 |
| law of refraction 折射定径 | Law of refraction, snell's law 斯乃耳折射律 | Law of reversibility 可逆律 |
| Lawson criteria 劳逊判据 | Lawson criterion 劳生判据 | layer 层，涂层 |
| layer optics 薄膜光学 | layer-to-layer transfer 层间转换 | layered laser 层状激光器 |
| layered target 层状靶 | laying 瞄准 | layout (1)设计(2)划线(3)设计图案 |
| LC liquid crystal 液晶 | lcating pin 定位销 | LCD monitors 液晶监视器 |
| LCD projectors 液晶投影机 | LCD TVs 液晶电视 | LCOS Liquid Crystal On Silicon 单晶硅液晶显示面板 |
| leach 沥滤器 | leaching 沥滤作用，浸析作用 | lead (1)导线，引线(2)超前，导前(3)前置量 |
| lead (Pb) 铅 | lead angle (1)前置角(2)超前角 | lead battery 铅蓄电池 |
| lead bem 引导光束 | lead borate glass 硼酸铅玻璃 | lead brass 铅黄铜 |
| lead bronze 铅青铜 | lead chloride 氯化铅 | lead cvered wire 铅包线 |
| lead flouride 氟化铅 | lead gauge 导程检查仪，螺距规 | lead glass 铅玻璃 |
| lead oxide vidicon 氧化铅摄像管 | lead salts 铅盐类 | lead screw 丝杆 |
| lead screw tester 丝杆检查仪 | lead selenide 硒化铅 | lead selenide detector 硒化铅探测器 |
| lead silicate glass 硅酸铅玻璃 | lead strontium photophate crystal 磷酸铅锶晶体 | lead sulfide detecror 硫化铅检测器 |
| lead sulfide film 硫化铅薄膜 | lead sulfide phtodetector 硫化铅光电探测器 | lead sulphide 硫化铅 |
| lead telluride 碲化铅 | lead tester 导程检查仪 | lead vapour tlaer 铅蒸气激光器 |
| lead zirconate-titante 锆钛酸铅 | lead-baffled collimator 铅闸准直差 | lead-in 引入线 |
| lead-lanthanum 铅镧合金 | lead-tin sulfide exitaxial film 硫化锡铅周附生膜，硫化钖铅外延膜 | lead-tin-telluide 铅钖碲化物 |
| lead-tin-telluride crystal 铅钖碲晶体 | lead-tin-telluride detector 铅钖碲探测器 | leader (1)导杆(2)引出线 |
| leading axle 导轴 | leading edge 前沿 | leading edge time 前沿时间 |
| leadkage impedance 漏泄阻抗 | leadkage loss 漏泄损失，漏损 | leaf (1)薄片(2)瓣 |
| leaf ofjk diaphragm (1)光阑薄片(2)光圈瓣 | leaf otpical aystem 薄片光学系统 | leaf shutter 叶片快门 |
| leaf spring 片簧 | leaf type shutters 叶片式快门 | Leak 泄漏 |
| leak detector 检漏仪 | leak gas 漏气 | leak-free 不漏的 |
| leak-proof 密封的，防漏的 | leak-tight 密封的，防漏的 | leakage (1)漏出(2)漏出量 |
| leakage current 漏流 | leakage detector 探漏仪 | leakage of ligth 漏光 |
| leakance 漏电，漏泄电导 | leaky mode 漏模 | leaky wave 漏波 |
| leaky-mode buried-heterostructure 漏模掩埋式异质结构 | least circle of aberration 最小像差圈 | Least circle of confusion 明晰圈 |
| least distance of ditnice vision 最小明视距离 | least square 最小二乘方 | Least time principle 最小时间原理 |
| leatheretter 人造革 | Lebedfeff polarisin interferometer 列别捷夫偏光干涉仪 | LED chips for communication 发光二极管芯片、晶粒(通信用) |
| LED chips not for communication 发光二极管芯片、晶粒(非通信用) | LED color printers 彩色LED打印机 | LED display systems 发光二极管显示(幕)系统 |
| LED displays 发光二极管显示器 | LED facsimiles 发光二极管传真机 | LED Light Emitting Diode 发光二极管 |
| LED monochrome printers 单色LED打印机 | LED reverse mounting type 薄芯片LED,反向黏着型薄芯片 | LED wafers for communication 发光二极管晶圆(通信用) |
| LED wafers not for communication 发光二极管晶圆(非通信用) | ledsight 预先瞄准 | Lee hologram 李型全息图 |
| left circularly polarized light 左旋圆偏振光 | Left-hand circular polarization 左旋圆偏振 | Left-hand polarized electromagnetic wave 左旋偏振电磁波 |
| left-hand thread 左旋螺纹 | left-handed (1)左边的(2)左旋的 | left-handed circular polarization 左旋圆偏振 |
| left-handed circular polarized wave 左旋圆偏振波 | left-handed mirror iamge 左旋反射镜像 | left-handed quartz 左旋石英，左旋水晶 |
| left-handed rotation (1)左旋，左转(2)左旋光 | left-handed system 左旋系统 | leg (1)腿(2)管脚 |
| legal measuring instrument 法定测量仪器 | legal unit of measurement 法定计量单位 | Legendr function 勒让德函数 |
| Legendre's polynomiials 勒让德多项式 | Legendre's transformation 勒让德变换 | Leiberkuhn illumination 来伯科因照明 |
| Leiss prism 莱兹棱镜 | Leitez inerference microscope 莱茨干涉显微镜 | Leith-Upatnicks hologram 利思-乌帕特尼克斯全息图 |
| Leitz sector shutter 莱茨扇形快门 | lelens factor 透镜因子 | Leman prism 莱曼棱镜 |
| Lenard phosphor 勒钠磷光质 | Lenard ray 勒纳射线 | Lenard tube 勒纳管 |
| Lenard wiindow 勤纳窗 | length 长度 | length bar 量棒 |
| length of arc 弧长 | length of life 寿命 | length of run 运程 |
| length-measuring instrument (1)长度计量仪器(2)测长仪 | length-measuring machine 测长机 | lengthwise 纵向的 |
| lengthwise modulated laser recording 纵向调制激光纪录 | lens 透镜 | lens aberration 透镜像差 |
| lens angle 透镜场角 | lens aperture 透镜有效孔径 | lens arra 透镜数组 |
| lens barrel 透镜镜筒 | lens bench (1)透镜组(2)透镜座 | lens blank 透镜毛坏 |
| lens blocking 透坏胶盘 | lens blooming 透镜敷霜 | lens board 透镜板 |
| lens center 透镜中心 | lens centering 透镜对中 | lens centrementer 透镜中心仪 |
| lens coating 透镜镀膜 | lens combgination 透镜组合 | lens corrected horn 激光校正喇叭 |
| Lens coupling 透镜藕合 | lens covering a small angle of field 耦合取景器 | lens covering a wide agnle of field 窄视角透镜 |
| lens curvature 透镜曲率 | lens detector 透镜探测器 | lens diaphragm opening 透镜光阑孔 |
| Lens disk 透镜盘 | lens doublet 双透镜物镜 | Lens element 透镜组件 |
| lens errecting 透镜正像 | lens fflange 物镜凸缘 | lens field illumination 透镜视场照明 |
| lens holder 透镜架 | lens isis 透镜可变光阑，物镜光阑 | lens jacket 透镜套 |
| lens light guide 透镜导光管 | Lens measure 透镜量具 | Lens measuring instrument 透片测量器 |
| Lens meridian 透镜子午线 | Lens molding 透镜模造 | Lens mount 透镜架 |
| lens of extreme apeterture 最大孔径物镜 | lens of variable focal length 可变焦聚透镜 | lens of wide aperture 大孔径物镜 |
| lens opimization comuter program 透镜最优化计算程序 | lens paper 镜头纸 | lens pillar 柱状透镜 |
| lens power 透镜光学能 | lens retainer 透护圈 | lens seat 透镜座 |
| lens shade 镜头罩 | Lens speed 透镜速率 | lens stop 透镜光阑 |
| lens surface 透镜表面 | Lens system 透镜组 | lens sytem 透镜组 |
| lens tester 透镜检验器 | lens testing chart 透镜测式表 | Lens testing equipment 透镜测试设备 |
| lens tissue 拭镜纸 | Lens transmission 透镜传递 | lens tube 透镜管 |
| lens turret 透镜转动架 | lens watch 透镜仪 | lens wave-beam device 透镜波束装置 |
| lens wave-beam guide 透镜光导管 | lens with automatic diaphragm 自动光阑透镜 | lens-brush 镜头刷 |
| lens-cap 镜头盖 | lens-carries 镜头析板 | lens-coated 镀膜透镜 |
| lens-copuled viewfinder 透镜 | lens-errecting telescope 透镜正像望远镜 | lens-grinding machine 透镜研磨机 |
| lens-hood 透镜遮光罩 | lens-like 类透镜的 | lens-like medium 类透镜媒质 |
| lens-mirror combination 透镜-反射镜组合 | lens-roughing machine 透镜粗磨机 | lens-to-image distance 透镜-像间距离 |
| lens/optical design consultants 镜头/光学设计顾问 | lensing 透镜作用 | lensless 无透镜的 |
| lensless aperture 无透镜孔径 | lensless Fourier transform hologram 无透镜傅里叶变换全息图 | lensless imaging 无透镜成像法 |
| lensless matched filter 无透镜匹配滤波器 | lensless photogrpahy 无透镜照相术 | lensless real-image camera 无透镜实像照相机 |
| lenslet (1)小透镜(2)小晶体 | lensometer 焦度计 | Lenticular 镜品及射面 |
| Lenticular color photography 透镜状彩色摄影术 | lenticular film 两面凸状胶片 | Lenticular image dissection 双凸像解剖 |
| lenticular screen 两面凸动屏幕 | Lenticular stereo photography 透镜状立体摄影术 | Lenticular stereograms 透镜状立体图 |
| lenticulation (1)透镜光栅(2)双凸镜形成(3)透镜光栅制造法 | Lenz's law 楞次定律 | lepton 轻子； 轻粒子；微子 |
| lesn mount 透镜座 | lesn spectrometer 透镜分光计 | lesn tensino meter 透镜引力仪 |
| lethal weapon 死光死器 | letterpress printing 凸版印刷 | leuocscope (1)光学高温计(2)感色计(3)色光光度计 |
| level (1)水平面，水平线(2)水平(3)永准差(4)级 | level ajustemet 水平调准 | level crosssing method 能级交叉法 |
| level de-excitation 能级去激发 | level deplection 能级耗尽 | level detector 能级检示器 |
| level gage 液面指示器，水平仪 | level life 能级寿命 | level line 水平线 |
| level meter 液位计 | level multiplicity 能级多重性 | level of feeling 感觉级 |
| level of significance (1)有 水平(2)有效级 | level sensitivity 水平灵敏度 | level surface 水平面 |
| level surve 水平测量 | level tester 校水平器 | level tryer 水平试验器 |
| leveling (1)水平测量(2)校平，调平(3)矫正，矫直 | leveling buble 水平气泡 | leveling head 校平头 |
| leveling instrument 水平仪器 | leveling screw 校平螺钉 | levelkey 调平键 |
| levelness 水平度 | levels 水平仪 | lever (1)杆(2)杠杆(3)柄 |
| lever arm 杆臂 | lever crank mechanism 摆杆曲柄连杆机构 | lever-arm ratlo 标臂比 |
| lever-type dial indicator 杠杆式千分表 | levgeling mirror 调平镜 | leviation 浮置 |
| levorotation (1)左旋(2)左旋光 | Levortary 左旋 | levortator (1)左旋的(2)左旋光的 |
| lgith gide 光导 | Li-Nd phosphate glass 锂钕磷酸盐玻璃 | liar 光学物镜，光学镜头 |
| liberation 释放，放出 | libraary automotion 程序库自动化 | libratrion (1)摆动(2)平衡 |
| lid 盖，罩 | lidar 激光雷达 | life 寿命 |
| Lifht choppers 斩光器 | liganed field 配位场 | ligh microgudide 微型光导管 |
| ligh sensitivity (1)光敏性(2)光敏度 | light (1)光，光线(2)灯(3)光学(4)轻的 | light absorption 光吸收 |
| light absorption line 光吸收线 | light actiated swicth (LAS) 光敏开关 | light activated SCR 光激可控硅整流器 |
| light adapation 光适应 | light adaptation 光适应 | light aging 光老化，光阵化，光时效 |
| light amplifiction by stimulated emssion of radiation (1)激光(2)激光器 | light amplifier 光增强器 | light amplitude 光振幅 |
| light amplitude modulation 光振幅调制 | Light analyze 光检偏器 | light aperture 光孔径 |
| light attenuator 光衷减器 | light balancing filter 中性滤光片，消衡滤色器 | Light balancing filterr 平衡滤光器 |
| light barium crown 轻钡冕玻璃 | light barium flint 轻钡火石玻璃 | light barrier 光势垒 |
| light beacon system 光信标系统 | light beam 光束 | light beam acquirlig 光束瞄准 |
| light beam deflector 光束致偏器 | light beam propagation error 光束传播误差 | light beam telephone 光束电话 |
| light beamsplitter 光束分光镜 | light beat 光拍 | light beating bucket veceiver 光拍斗形接收器 |
| light beating gathering power 光拍聚集率 | light bulb-lens combinatino 灯泡-透镜组合 | light buttion 光按钮 |
| light carrier 光载波 | light characteristic 光特性曲线 | light coagulator 光凝结器 |
| light colored 彩色光 | light communtation circuit 光开关电路 | light cone 光锥 |
| light cross-section method 光截面法，光切断法 | light dark adaption 亮暗适应 | light deflection 光偏转 |
| light deflector 光偏转器 | light detection 光探测 | light detection and ranging 激光雷达 |
| light detector 光探测器 | Light diffusion 光漫射 | Light dispersion 光色散 |
| light distribution 光分布 | light drag 光曳，光牵引 | light emission 光发射 |
| light emitter 光发射体 | light emitting diode 发光二极管 | light emitting diode (LED) 发光二极管 |
| light engine 光引擎 | light equation (1)光差(2)光变方程 | light equipment 照明设备 |
| light exciting pulse 光激发脉冲 | light exctinction 消光 | light field image 亮场像 |
| light filter 滤光器，滤光片 | light filter factor 滤光器因子 | light flash excitation 闪光激发 |
| light flint 轻火石玻璃 | light flux 光通量 | light focusing fiber 聚光纤维 |
| light force fit 轻压配合 | light freqency 光频率 | light frequecny modulation 光频率调制 |
| light gate 光闸 | light gating 光选通 | light generation 光振荡 |
| light halo 光晕 | light homer (1)寻的导弹(2)光寻的头 | light homing guidane 光导的制导 |
| light image converter 光像变换器，光变像器 | light injection 光注入 | light integrator 光学积分器 |
| light intensity 光强 | light intensity function 光强起伏，光强波动 | light intensity meter 光强计，照度计 |
| light intensity modulation 光强调制 | light logic 光逻辑 | Light meter 测光计 |
| light modulation 光调制 | light modulator 光调制器 | Light negative 光阻抗 |
| light output (1)光辐射(2)光输出 | light overtone 光谐波 | light pattern 光图像，光发射图样 |
| light pen 光笔 | light pen detect 光笔检出 | light pen light pencil 光锥 |
| light pencil 光锥 | light phase modulation 光相调制 | light photon 可见光子 |
| light pipe 光管 ，光导向装置 | light press fit 轻压配合 | light pressure 光压 |
| light prolarization modulator 光偏振调制器 | light pulse 光脉冲 | light pulse modulation 光调制 |
| light pulse repetition rate 光脉冲重复频率 | light pump 光泵 | light pumped laser 光抽运激光器 |
| Light quantity 光量 | Light quantum 光量子 | light quantum maser 光量子放大器 |
| light quatntum 光量子 | light ray 光线 | light regulator 调光器 |
| light relay 光继电器 | light resistor 光敏电阻 | light ring 光圈 |
| light running fit 轻转动配合 | Light sectioning 光切术 | light seeking missile 光寻的导弹 |
| light self-trapping 光自陷 | light sensor (1)光敏组件(2)光敏传感器 | light set 照明装置 |
| light shield 遮光罩 | light source 光源 | light source efficiency 光源效率 |
| light source power 光源功\率 | light split 分光 | light splitter 分光线，分光器 |
| light spot 光斑 | light spot scanning 光点扫描 | light step 光阶 |
| light stimulus 光剌激，光激发 | light sum 光和 | light throughput efficiency 光转换效率 |
| light transmission 光透射 | light trap 光阱，陷光器 | light traveling modulator 光行波调制器 |
| light tube 光管 | light value 光阀 | light value (LV) 曝光值 |
| light value system camera 光值制照相机 | light vector 光矢量 | light vibration 光振动 |
| light wave 光波 | light wave communication 光波通信 | light wave retardation 光波延时 |
| light yield 光输出 | Light-beating spectroscopy 拍光光谱学 | light-coupledf semiconductor switch 光耦合半导体开关 |
| light-curve 光变曲线 | light-emitting diode (LED) 发光二极管 | light-emitting diode coupler 发光二极管偶合器 |
| light-emitting diode display panel 发光二极管显示板 | light-emitting element 发光组件 | light-emitting junction 发光结 |
| light-emitting material 发光材料 | light-emitting screen 发光屏 | light-filtering 滤光 |
| light-gathering power 聚光本领 | light-gtahering potics 聚光光学 | light-indcued modulation 光感应调制 |
| Light-leakage loss 光漏损失 | Light-powered telephone 光致动电话 | light-proof 不透光，耐光的 |
| light-pumped solid state laser 光抽运固体激光器 | light-ranging 光测距 | light-scatterig photometer 光散射光度计 |
| light-scattering 光散射 | light-section method 光切断法 | light-section microscope 光切法显微镜 |
| light-seeking device (1)光导的装置(2)光敏器件 | light-sensitive 光敏的 | light-sensitive cathode 光敏阴极 |
| light-sensitive cell (1)光敏电池(2)光敏组件 | light-sensitive compound 光敏化合物 | light-sensitive detector 光敏探测器 |
| light-sensitive glass 光敏玻璃 | light-sensitive imaging tube 光敏变像管 | light-sensitive polymer 光敏聚合物 |
| light-sensitive relay tube 光敏继电管 | light-sensitvie material 光敏材料 | light-splitting electrooptical system 分光电光系统 |
| light-splitting optcial system 分光光学系统 | light-taking window 采光窗 | light-tigth 不透光的 |
| light-to-dark current ratio 光流-暗流比 | light-transfer 光传输 | light-transfer charcteristic 光传输特性 |
| light-transmission coefficient 透光系数 | light-transmitting medium 透光媒质，光传转媒质 | light-transmitting specimen 光透射抽样 |
| light-triggered alarm 光触发报警器 | light-value scale 光值标尺，曝光指数标尺 | lightening (1)发光(2)使减轻 |
| lighter (1)照明器(2)点火器(3)引燃极 | lighter excitaion 光激发 | lighting (1)照明(2)采光(3)点火，起动 |
| lighting apparatus 照明设备 | lighting arrester 避雷器 | lighting deveice 照明装置 |
| lighting equipment 照明设备 | lighting power 照明功率 | lighting switch 照明开关 |
| lightmeter 光度计 | lightness 轻便 | lightning 闪电，电光 |
| lightning protector plalte 避雷板 | lightning rod 避雷针 | lightose lens 灯塔透镜 |
| lightouse (1)灯塔(2)曝光台 | lightpipe potics 光管光学 | lightshow 光显示 |
| Lightwave 光波 | Lightwave communication 光波通信 | lightwave/ transimission system and multiplexer equipment (SONET-based) 同步光 |
| Lightwave/Transimission System and Multiplexer Equipment (SONET-Based) 同步光纤网络光波传输系统及多任务机设备 | lightwave/transmission system and multiplexer equipment (SDH-based) 同步数字阶 | lightweight camera 轻便型照相机 |
| lightweight construction 轻型结构 | lightweight laser 轻便型激光器 | lightweight mirror 轻型反射镜 |
| lightweight technical camera 轻便型技术摄影机 | ligt-duty 轻型的 | ligth amplification 光放子 |
| ligth beam pick-up 光束拾声器 | ligth field method 亮场法 | ligth leak 漏光 |
| ligth polarizaton demodulator 光偏振解调器 | ligth presssure measurement 光压测量 | ligth year 光年 |
| ligthpipe oscillation 光管振荡 | ligtu antenna 光天线 | lihgt spectrum 光谱 |
| likelihood detection 楖率性探测 | likelihood function 概率函数 | likelihood ratio 概率比 |
| likelihood ratio test threshold 概率比测试阈值 | limb-darkening effect 肢件变暗作用 | lime 石灰 |
| lime glass 鋹玻璃 | liminal contrast 阈值衬比 | limit (1)限度(2)极限 |
| limit gauge 极限规 | limit gauge system 极限规制 | limit of accommodation 调节极限 |
| limit of proportion 比例极限 | limit of resolution 分辨限 | limit of size 极限尺寸 |
| limit of visible spetru 可见光谱范围 | limit of visiblity 视见限 | limit snap gauge 极限卡规 |
| limit stop 限制制动器 | limit switch 限位开关，极限开关 | limit system 极限制，公差制 |
| limit thread snap gauge 极限螺纹卡规 | limitation signal 限幅信号 | limiter (1)限制器(2)限幅器 |
| Limiter circuit 振幅限制电路 | limiting angle of resolution 极限分辨角 | limiting aperture 极限孔径，分光孔径 |
| limiting current 极限电流 | limiting dimension 极限尺寸 | limiting error 极限误差 |
| limiting resolution 极限分辨率 | Limiting resolution angle 极限鉴别角 | limiting value 极限值 |
| limiting wae number 极限波数 | Linar 线星 | linarity 线性，直线性 |
| line (1)线(2)线路(3)航线(4)谱线(5)行 | line breadth 线性变换 | line centre 线心 |
| line competition 谱线竞争 | Line concentrator 线路集中器，集线器 | line deflection 行偏转 |
| line drift 谱线漂移 | line emission 谱线辐射 | line filament 直线状灯丝 |
| line flyback pulse 行回扫脉冲 | line function 线函数 | line grating 线性数 |
| line image 线性图像 | line intensity 谱线强度 | line jump scanning 隔行扫描 |
| line mark 剖线，标线 | line mosaic 线镶嵌 | line of centre 中心虩 |
| line of coding 编码线 | line of collimation 准直线 | line of driection 方向线 |
| Line of electric force 电力线 | Line of magmetic force 磁力线 | line of position 定位线 |
| line of reference 参考线 | line of sight (1)视线(2)瞄准线 | Line of sight (LOS) 视线 |
| line of sight coverage 视距，直视能见度 | line of vision 视线 | line pair 线对 |
| line printer 行式打印机，宽打印机 | line profile 谱线轮廓 | line reversal 谱线反线 |
| line satellite 伴线 | line scale 线条刻度 | line scanning laser camera 行扫描激光照相机 |
| line series law 谱线击定律 | line shift 谱线位移 | line source 线光源 |
| line spacing 谱线间距 | Line spectra 线状谱群 | line spectrum 线状谱 |
| line splittnig 谱线分裂 | line spread function 线散布函数 | line standard 谱线标准 |
| line structure 谱线结构 | line tape 卷尺 | line trodening 谱线宽度 |
| line width 线宽度 | line-by-line scanning 逐行扫刺描 | line-focus 线聚焦 |
| line-focus filament 线聚焦灯丝 | line-focus tube 线聚焦X射线管 | line-scan camera 行扫描摄像机 |
| line-scanning system 行扫描系统 | line-tunable CO laser 谱线可调谐一氧化碳激光器 | line-tunable optically pumped laser 谱线可调光学抽运激光器 |
| line-type modulator 线型调制器 | linear (1)线的，直线的(2)线性的 | linear absorption coefficeient 线性吸收系数 |
| linear absorption frequency stabilization 线性吸收稳频 | Linear accelerometer 线加速计 | Linear actuator 线性驱动器 |
| linear actuators 线性致动器 | linear algebra 线性代数 | linear amamplitude grating 线性振幅光栅 |
| linear amplifier 线性放大器 | linear apodising screen 线性切趾屏 | Linear array 线性数组 |
| linear bandlimited system 线性带宽限制系统 | linear chrip 线性调频，线性啁啾 | linear coherent superposition 线性凸干迭加 |
| linear coma 线性慧形像差 | linear comparator 直线比较仪 | linear correlation 线性相关 |
| linear crosstalk 线性干扰，线性失真 | linear cut-off low-pass filter 线性截止低通滤波器 | linear deformation 线性形变 |
| linear demodulation 线性解调 | linear densitometer 线性光密度计 | Linear device 线性组件 |
| linear dichroism 线振二向色性 | linear dimension 线性尺寸 | linear dispersion 线性色散 |
| linear displacement 线性位移 | linear ecording 线性记录 | linear electro-optic effect 线性电光效应 |
| Linear element 线性组件 | Linear energy transfer 线性能转移 | linear expansion 线性膨胀 |
| linear field 线性场，线视场 | linear filter 线性滤波器 | linear flashlamp 直管式闪灯 |
| linear grating 线性光栅 | linear holography 线性全息术 | linear injectino laser diode 线性注入激光二极管 |
| linear magnification 线性放大 | linear microdensitometer 线性微型密度计 | linear modulation 线性调制 |
| linear molecule 线性分子 | linear network 线性网络 | Linear optical element (system) 线性光学组件（系统） |
| linear optics 线性光学 | linear optimization 线性最佳化 | linear optimization echnique 线性最优化技术 |
| linear otpical system 线性光学系统 | linear phsae shift 线性相移 | linear polarimeter 线偏振光仪 |
| linear polarization 线偏振 | linear prismatic grating 线性棱镜光栅 | linear programming 线性规划 |
| linear pumping tube 线性抽运管 | linear radiator 线性辐射器 | linear range 线性范围 |
| linear ratio 线性比率 | linear relationship 线性关系 | linear response 线性响应 |
| linear scanning 直线扫描 | linear space-invariatn optical system 线性空间不变光学系统 | linear spatially invariant system 线性空间不变系统 |
| linear stage positioning equipment 直线台定位设备 | linear stationary system 线性稳定系统 | linear superposition 线性迭加 |
| linear suscepibility 线性磁化率 | linear system 线性系统 | linear theory 线性理论 |
| linear transform 线性理请 | linearised tuning 线性调谱 | linearity control 线性控制 |
| linearity response 线性响应 | linearization 线性化，直线化 | linearly accelerating charge 线性加速电荷 |
| linearly polarized light 线偏振光 | linearly polarized light beam 线偏振光束 | linearly polarized wave 线偏振波 |
| liner 衬垫，衬套 | linescanner 行扫描仪、行扫描仪 | lineshape 谱线形状，线形 |
| lineshape anomaly 线形反常 | lining (1)衬垫(2)衬层 | linishing 擦光 |
| link (1)连杆(2)环节，链环 | link arm 连杆臂 | link mechanism 连杆机构 |
| link pin 联杆销 | link rod 联杆 | linkage (1)连(2)键合(3)联动装置 |
| Linnik interference microscope 林尼克干涉显微镜 | Linnik micro-interferometer 林尼克显微干涉仪 | Linnik micro-profilometer 林尼克显微轮廓仪 |
| lint 棉绒 | linve fringe 活动条纹 | linve interferometry 活动条纹干涉量度 |
| lip (1)边，缘(2)凸缘(3)唇 | Lippich polarizer 李皮奇起偏振器 | Lippich prism 李皮奇棱镜 |
| Lippich rism 李皮奇棱镜 | Lippmann emulsion 李普曼乳胶 | Lippmann fringe 李普曼条纹 |
| Lippmann holography 李普曼全息术 | Lippmann processes 李普曼方法 | Lippmann's color photography 李普曼彩色摄影术 |
| Lippmann-Bragg diffraction effect 李普曼-布喇格衍射效应 | Lippmann-Bragg hologram 李普曼-布喇格全息图 | liquefaction 液化 |
| liquefield gas 液化惰性气体 | liquefier 液化器 | liquid coolatn 冷却液 |
| Liquid core optical fibers 液心光纤 | liquid crstal waveguide 液晶波导 | liquid crystal 液晶 |
| liquid crystal cell 液晶金 | Liquid Crystal Display (LCD) Module 液晶显示器模块 | liquid crystal display (LCD) module 液晶显示器模块 |
| liquid crystal display (LCD) Panel 液晶显示面板 | liquid crystal disply 液晶显示 | liquid crystal disply device 液晶显示装置 |
| liquid crystal image converter 液晶像转换器 | liquid crystal imaging 液品成像 | liquid crystal infraed device 液晶红外器件 |
| liquid crystal laser 液晶激光器 | liquid crystal light value 液晶光阀 | Liquid crystal light valve 液晶光阀 |
| liquid crystal microscope 液晶显微镜 | liquid crystal optics 液晶光学 | liquid crystal projector lenses 液晶投影机镜头 |
| liquid crystals 液晶 | liquid damping 液体阻尼 | liquid dye filter 液体染料滤光器 |
| liquid ehelium storage vessel 液氦存储器 | liquid electroopic cell 液体电光组件 | liquid film 液态膜 |
| liquid filter 液体滤波器 | Liquid gate 液门 | liquid immersion 浸液 |
| liquid Kerr cell 液体克尔盒 | liquid laser 液体激光器 | liquid laser cell 液体激光盒 |
| liquid lens 液体 透镜 | liquid mirror 液体镜 | liquid nitrogen 液氮 |
| liquid nitrogen cooling 液氮致冷 | liquid nitrogen cooling crystal 液氮致冷晶体 | liquid phase 液相 |
| liquid phase epitaxial growth 液相取向附生 | liquid phase epitaxy 液相取向附生 | liquid phase separaton 液相分离 |
| liquid sonic cell 液体声地 | liquid surface interferometer 液面干涉声 | liquid-core fibere 液芯纤维 |
| liquid-core fibre-optic waveguide 液芯纤维光学波导 | liquid-core optical fibre 液芯光学纤维 | liquid-drop medium 液滴媒质 |
| liquid-felled prism 充液棱镜 | Liquid-surface holography 液面全像术 | liquidaton (1)液化(2)清理 |
| liquide 液体 | liquidity 液性，流性，流畅 | liquidus 液线 |
| Lissajou's figure 利萨如图形 | Lissajous pattern 利萨如图样 | Lister lens 利斯忒透镜 |
| Lister objectve 利斯忒物镜 | lit range 极限范围 | liter (=litre) 升 |
| lith developer 高反差显影液 | lith film 高反差底片 | lithg wave guidance 光波制导 |
| lithium (Li) 锂 | lithium battery 锂电池 | lithium fluoride 氟化锂 |
| lithium forate crystal 甲酸锂晶体 | Lithium iobate(LiNbO) 铌酸锂 | lithium iodate 碘酸锂 |
| lithium iodate crystal 碘化锂晶体 | lithium niobate 铌酸锂 | Lithium niobate integrated circuit 铌酸锂集成光路 |
| lithium niobate stress gauge 铌酸锂应力计 | lithium niobate-tantalate 铌酸-钽酸锂 | lithium plasma 锂等离子体 |
| lithium poatassium niobate 铌酸钾锂 | lithium spectrum 锂光谱 | lithium tantalate 钽酸锂 |
| lithium yttrium fluoride 氟化镱锂 | lithocon 硅存储管 | lithography (1)石版印刷术(2)平金属芯印刷术 |
| litht velictiy 光速 | litre (=liter) 升 | Littrow monochromator 利特罗单色仪 |
| Littrow prism 李卓夫棱镜 | Littrow prism spectrograph 利特罗棱镜摄谱仪 | Littrow spectrkometer 利特罗分光计 |
| Littrow spectrograph 利特罗摄谱仪 | Littrow's mounting 利特罗装置 | litus paper 石芯试射 |
| live axle 传动力的轴 | live center 活顶尖 | live color camera 活动彩色电视摄像机 |
| live spindle 旋转主轴 | lixiscope 低强X光显像仪 | Lloyd mirror 洛以得镜 |
| load 负载，载荷 | Load line 负载线 | load resistance 负载电阻 |
| Load test 负载试验 | load-carrying capacity 负载容量 | load-factor 负载因素 |
| loader 承载器 | loading 加载 | loading waeguide 加载波导 |
| loag coeffeicent 滞后系数 | lobe (1)瓣(2)波瓣 | lobe shaping 波瓣成形 |
| Local area network 局域网络 | local communtativity 局部可换性 | local illumination 局部照明 |
| local interaction 局部相互作用 | local ization (1)局限，定域(2)探测(3)位置 | Local loop 用户环路，本交换区环路 |
| local nonlinearity 局部非线性 | local oscillator 本机振荡器 | localized fringe 定域条纹 |
| localized measurement 定域测量 | localized staet transition 局部态跃迁 | localized state 局部态 |
| localizer 定位器 | locating (1)定位(2)定位法 | locating centre punch 定位中心冲 |
| locating device 定位装置 | locating point 定位点 | locating surface 定位面 |
| location (1)定位(2)位置(3)存储单元 | location hole 定位孔 | location shot 外景"镜头" |
| locator fo rsu-master lines 副主线定位器 | locator-designator 定位指示器 | locator-dual collimating line 双定位器准直线 |
| lock bar of back cover 后盍开关锁 | lock bolt 锁紧螺栓 | lock nut 防松螺母，锁紧螺母 |
| lock screw 锁紧螺钉 | lock washer 锁紧垫圈 | lock-in amplifier 锁定放大器 |
| lock-in amplifiers 锁定放大器 | lock-in stailized external cavity 锁定稳定外腔 | lock-on boundary 锁定边界 |
| lock-out angle 视角，视界角 | locked mode 锁模 | locking mechanism 锁紧机构，闭锁机构 |
| locking phase (1)锁定相(2)同步相 | locus 轨迹 | locus of point 点轨迹 |
| Log converter 记录换流器 | log gain 对数增益 | log-amplitude filter 对数振幅滤波器 |
| log-amplitude fluctuation 对数振幅起伏，对数振幅波动 | logarithic spral 对数螺线 | logarithimic table 对数表 |
| logarithm 对数 | logarithmic 对数的 | logarithmic amplifier 对数放大器 |
| logarithmic amplifiers 对数放大器 | logarithmic filtering 对数滤波 | logarithmic plot 对数图 |
| logarithmic scale 对数尺度 | logic (1)逻辑，逻辑学(2)逻辑线路 | logic arrangement 逻辑线路 |
| logic circuit 逻辑电路 | logic control 逻辑控制 | logic convereter 逻辑变换器 |
| logic core 逻辑磁心 | Logic device 逻辑器件 | Logic diagram 逻辑图 |
| logic system 逻辑系统 | logical 逻辑的 | Logical circuit 逻辑电路 |
| logitro 磁性逻辑组件 | logn arm mirror 长臂镜 | lognormal atmosperic dchannel 对数正态大气通道 |
| Lohmann hologram 罗门全息图 | Lommel function 隆美尔函数 | London equations 伦敦方程 |
| long afterglow 长余辉 | long and short dash line 点划线 | long crown glass 长冕玻璃 |
| long distance exerography 长距静电摄影术 | long distance holography 远距全息术 | long electrical wave 长电流 |
| long focus 长焦距 | Long haul optical link 长距离光线路 | long path air spectrum 长光程筋气光谱 |
| long path interfermeter 长光程干涉器 | long path monitoring 长光程监控 | long persistence screen 长余辉荧光屏 |
| long pulse dye laser 长脉冲染料激光器 | long step-index optical fibre 大光阶折射率光纤维 | long ton 长吨，英吨 |
| long wave 长波 | long wavelength LED modules for communication 通信用长波长发光二极管模块 | Long wavelength system 长波长系统 |
| long-distance guided communication 远距离波导通信 | long-distance holographic imgery 远距离全息照相成像 | long-focal length lesn 长焦距物镜 |
| long-focus lens 长焦距透镜 | long-focus objective 经度 | long-lag phosphor 长余辉磷光体 |
| long-life 长命 | long-life tube 长命管 | long-period gratings (LPGs) 长周期光栅 |
| long-pulse laser 长脉冲激光器 | long-radius grating 长半径光栅 | long-range injection laser radar 远程注入式激光雷达 |
| long-range laser communication 远程激光通信 | long-range lidar 远程激光雷达 | long-sighted 远视的 |
| long-sightedness 远视 | long-term degradation 长期退化 | long-term staility 长期稳定性 |
| long-transient effect 长瞬时效应 | long-wave infrared afocal zoom telescope 长波红外远焦可调式望远镜 | long-wave infrared region 长波红外波段 |
| Long-wave pass filter 长波通滤器 | long-wave-pass 长波通 | long-wave-pass filter 长波通滤光器 |
| long-wavelength decector modules for communication 通信用(长波长)Ge和III-V | long-wavelength detectors for communication 通信用(长波长)Ge和III-V族检光元 | long-wavelength region 长波区 |
| longitude (1)纵向的(2)经度的 | longitudian clinometer 纵向比较仪 | longitudianal aberration 纵向色像差 |
| longitudianal chrmatic aberration 纵向倾斜计 | longitudianl 纵向像差 | longitudianl comparatorlongitudianl illumination 纵向照明 |
| longitudianl level 纵向水平器 | longitudianl magnification 纵向放大率 | longitudianl mode 纵模 |
| longitudianl modulalor 纵向调制器 | longitudianl relaxation 纵向弛豫 | longitudianl shift pf fpcis 点纵向移位 |
| longitudinal alide 纵向滑板 | Longitudinal chromatic aberration 纵向色像差 | Longitudinal field modulator 纵场调制器 |
| Longitudinal magnification 纵向放大 | longitudinal mode 纵模 | longitudinal section 纵剖面 |
| longitudinal shearing interirometry 纵向剪切干涉测量 | longitudinal spherical aberration 纵向球面像差 | longitudinal vibration 纵振动 |
| longitudinal view 纵视图 | longitudinal wave 纵波 | longiudinal mode selection 纵模选择 |
| longshot 远景摄影 | looming 隐现 | loop (1)回线，回线(2)循环(3)腹(4)环，圈 |
| loop gain 环路增益 | loop radiator 环形辐射计 | loop-coupled 环耦合的 |
| looped filament 环形灯丝 | loose fit 松配合 | loose pulley 游滑轮 |
| Loose-tube buffering 疏管缓冲 | lopair (long path infrared) system 长距离红外系统 | lopair gas detector 长距离红外气体检测器 |
| lopcking device 锁紧装置 | Lorentz broadening 洛兰兹展宽 | Lorentz coefficient 洛兰兹系数 |
| Lorentz field 洛兰兹彭 | Lorentz force 洛兰兹力 | Lorentz line shap 洛兰兹线形 |
| Lorentz number 洛兰兹数 | Lorentz-Lorenz equation 洛兰兹-洛兰茨方程 | Lorentz-Lorenz formula 洛兰兹-洛兰茨公式 |
| Lorentzian curve 洛兰兹曲线 | loss 损失，损耗 | loss by one path 单程损耗 |
| loss factor 损失因子 | loss of resonator 共振腔损失 | loss paer pass 单程损失 |
| loss source 损失源 | Loss tube splicer 松管接头器 | loss-free medium 无损耗媒质 |
| loss-free reflectivity mechanism 无损失反射机制 | loss-modulated laser 损耗调制激光器 | lossless network 无损耗网络 |
| lossless uniform fibre 无损耗均匀纤维 | Lossv medium 有（损）耗媒质 | lossy medium 有损耗媒质 |
| loudspeaker 扬声器 | loupe 小型放大声镜 | louver shutter 百叶窗式快门 |
| Lovibond color standard 洛维邦得色标准 | Lovibond colorimeter 洛维邦得色度计 | Lovibond glass standard 洛维邦得玻璃标准 |
| Lovibond tintometer 洛维邦得色辉计 | Low 低 | low brightness photography 低亮度摄影 |
| low dispersion optical memory 低色散光存储器 | Low excitation potential 低激发电位 | low frequecny analyser 低频分析器 |
| low frequencvy 低频 | Low frequency 低频 | Low frequency amplifier 低频放大器 |
| low illumination level 低照度 | low key 暗色调图像调节键 | low laser level 低激光能级 |
| low level (1)低能级(2)低电平 | low level laser 低功率激光 | low level light signal 微光信号 |
| low level of illumination 低照度 | low limit 下限 | low limit of size 下限尺寸 |
| low limit of tolerance 下限公差 | Low loss(FEP)-clad silica fiber 低耗损全氟酸乙丙烯包层石英光纤 | low noise amplifier 低噪声放大器 |
| low optical absorption 微量光吸收 | low pass filter 低通滤波器 | low potential 低电势，低电位 |
| low power condenser 低倍聚光镜 | low power microscope 低倍显微镜 | low pressure 低压 |
| Low Pressure Chemical Vapor Deposition (LPCVD) 低压化学气相沉积法 | low pressure discharge 低压放电 | low quartz 低石英，低水晶 |
| low speed gear 低速齿轮 | Low Temperature Poly Silicon (LTPS) 低温多晶硅 | Low Temperature Poly Silicon Thin Film Transistor (LTPS TFT) 低温多晶硅薄膜晶体管 |
| Low temperature spectroscopy 低温光谱器 | low tension 低压 | low tension power supply 低压电源 |
| low threshold laser 低阈值激光器 | low vacuum 低真空 | low-and-high-pass filter 低通滤波器 |
| low-angle radiation lesn 低角辐射透镜 | low-angle scattering 低角散射 | low-carbon steel 低碳钢 |
| low-energy electron detecter 低能电子探测器 | low-energy electron diffraction (LEED) 低能电子衍射 | low-energy ransition 低能跃迁 |
| low-idnex fluoride glass 底折射率氟化物玻璃 | low-index film 低折射率膜层 | low-index material 底折射率材料 |
| low-index-hig-index film pair 低-高折射率膜层对 | low-light level 微光 | low-light level image tube 微光摄像管 |
| low-light level imaging 微光成像 | low-light level night vision device 微光夜视仪 | low-light level photography 微光照相 |
| low-light level sensor 微光传感器 | low-light level television camera 微光电视摄像机 | low-light level tube 微光管 |
| low-light phto-optical equipment 微光光电装备 | low-light television tube 微光电视管 | Low-light-level instrumentation 低光度仪具 |
| low-ligth device 微光器件 | low-ligth level camera 微光照相机 | low-loss access couple 低损耗存取耦合器 |
| Low-loss fiber 低（损）耗光纤 | low-loss laser mirror 低损耗激光反射器 | low-luminosity image 低亮度图像 |
| low-melting metal 低熔点金属 | low-nose 低噪声 | low-pass filter 低通滤波器 |
| Low-power binocular loupe 低倍率双眼放大器 | low-pressure mercury lamp 低压汞灯 | low-purity 低纯度 |
| low-Q mode 低Q模 | low-reflection coating (1)低反射度层(2)增透膜 | low-resistance (1)低阻力(2)低电阻 |
| low-temperature bolometer 低温测辐射热计 | low-temperature camera 低温照相机 | low-temperature coolant 低温致冷剂 |
| low-temperature detecor 低温探测器 | low-temperature fluorescent lapm 低温荧光灯 | low-velocity camera 低速照相机 |
| Low-vision magnifier 低视力放大镜 | Low-vision telescope 低视力望远镜 | Lowdin symmetric orthogonat\lization 洛定对正交化 |
| lower dead point 下死点 | lower dviation 下偏差 | lower film loop 下片环 |
| lower hemispherical flux 下半球光通量 | lower limit of stability 下限稳定性 | lower limit of variation 偏差下限 |
| lower side band spectru, 低边光谱 | lowerinteger value 小整数值 | lowest order mode 最低次模 |
| Lowest order transverse mode 最低次横模 | LP-mode 液相模 | LPE (liquid phase epitaxy growth) 液相取向附生生长，液相外延生长 |
| lser microprobe 激光微型探针 | lser-energized deteonation system 激光引爆系统 | lube 润滑油 |
| lubriator (1)润滑器(2)注油器，油壶(3)润滑剂 | lubricant (1)润滑的(2)润滑剂，润滑油 | lubrication 润滑 |
| lubricity 润滑性 | lucalox 透光材料 | luciferin 荧光素 |
| lucite 有机玻璃，人造荧光树脂 | luen equivalent 流明当量 | lug (1)耳状(2)突缘 |
| lumeg 流末格 | lumen 流明 | Lumen hour(im-hr) 流明小时 |
| lumen sensitivity 流明灵敏度，光敏度 | lumen-hour 流明时 | lumen-second 流明秒 |
| lumenmeter 流明计 | Lumerg 流末格 | lumeter 照度计 |
| lumiline lamp 管形灯 | luminaire (1)照明器，灯具(2)发光体(3)光黄素 | luminance (1)亮度(2)发光率 |
| luminance adaption 亮度适应 | luminance band 亮度信息频带 | luminance coefficient 亮度系数 |
| Luminance compensation 亮度补偿，发光率补偿 | luminance contrast 亮度衬比 | luminance density 发光密度 |
| luminance difference threshold 亮度差阈 | luminance difstribution 亮度分布 | Luminance factor 耀度率 |
| luminance factpor 亮度因子 | luminance information 亮度信息 | luminance matching 亮度匹配 |
| luminance meter 亮度计，照度计 | luminance meters 辉度计 | luminance modulation 亮度调制 |
| luminance pyrometer 亮度高温计 | luminance range 亮度范围，亮区 | Luminance range compression 亮度范围压缩，发光率范围压缩 |
| luminance resolution 亮度分辨力 | luminance signal 亮度信号 | luminance temperature 亮度温度 |
| luminance threshold 亮度阈 | luminance vectyor 亮度矢量 | Luminancence 发光 |
| luminary (1)发光体(2)灯光，照明 | lumination 光照量 | luminescence 发光；(无热的)发光；冷光 |
| luminescence centre 发光中心 | luminescence decay time 发光衷发时间 | luminescence efficiency 发光效率 |
| luminescence yield 发光产额 | luminescent 发光的 | luminescent activator 发光激活剂，发光活化剂 |
| luminescent centre 发光中心 | luminescent counter 发光计数器，闪烁计数器 | luminescent crystal 发光晶体 |
| luminescent diode 发光二极管 | Luminescent fibers 发光纤维 | luminescent layer 发光层 |
| luminescent material 发光物质 | luminescent powder 发光粉 | luminescent pumping 发光抽运 |
| Luminescnet greenhouse collector 发光温室集电器 | luminiferous 发光的 | luminiferous ether 光以太 |
| luminometer 亮度计，照度计 | luminophor 发光体 | luminosity 发光度 |
| luminosity cscale 发光度标 | luminosity curve 发光曲线 | luminosity factor 视亮度因子 |
| luminosity response 发光度响应 | luminosu body 发光体 | luminosu density 光密度 |
| luminosu diode 发光二极管 | luminosu efficacy 发光效率 | Luminour emittance 发光度 |
| Luminous 发光的 | luminous absorptance 光吸收比 | luminous absorption 光吸收 |
| Luminous density 发光密度 | Luminous efficacy 照明效率 | luminous efficacy of radiant flux 视见函数，光见度 |
| luminous efficiency 发生效率 | luminous element 发生组件 | luminous emission 光发射 |
| luminous emissivity 发光率 | luminous emittance 发光度 | luminous energy 光能 |
| luminous energy density 光能密度 | luminous exitance 光出射度，光束发散度 | luminous flame 火焰 |
| luminous flux 光通量 | luminous flux density 光通量密度 | luminous intensity 发生万 |
| luminous paint 发光涂料，发光漆 | luminous power (1)发光能力(2)光功率 | luminous radiation 光辐射 |
| luminous ray 可见光线 | luminous reflectance 光反射比，光反射系数 | luminous reflectivity 光反射系数 |
| luminous sensitivity threshold 光敏阈值 | luminous sensitivy 光敏度 | luminous spot 光点，亮点 |
| luminous standard lamp 光度标准灯 | luminous surface 发光面 | luminous surface absorptivity 发光面吸收率 |
| luminous transmittance 光透射比 | luminous-reflection factor 反射率 | luminous-spot voltmeter 光点伏特计 |
| Lummer-brodhum cube 陆末．布若洪立方体 | Lummer-Brodhum phtometer 陆末-布洛洪光度计 | Lummer-Gehrcke interferometer 陆末-格尔克干涉仪 |
| lummer-Gehrcke plate 陆末-格尔克板 | lump 块，团 | lumped capacity 集总电容 |
| lumped electric filter 集总电路滤波器 | lumped element 集总组件 | lumped modulator 集总调制器 |
| lunar camera 月球摄像机 | lunar laser 测月激光器 | lunar laser ranging 月球激光测距 |
| lunar otpical altimeter 月球光学测高计 | lunar rate 月球速率 | Luneburg lens 卢纳堡透镜 |
| Luneburg's integral 卢纳堡积分 | lunik 月球卫星 | luninescence stimulation 发光剌激 |
| lusec 卢塞克 | lustre 光泽 | lustrous 有光泽的 |
| lustrous eye 调调指示管 | lutecium (Lu) 鲁 | Lux 勒克司 |
| lux (-meter candle) 勒 | lux-hour 勒时 | lux-second 勒秒 |
| Luxmeter 勒克司计 | lyear (=light year) 光年 | Lyman band 赖曼带 |
| Lyman continuum 赖曼连续光谱 | Lyman ghost 赖曼鬼线 | Lyman series 赖曼系 |
| Lyman-alpha radiation 赖曼-阿发辐射 | lyo-luminescence 晶溶发生 | Lyot coronograph 立奥日冕仪 |
| Lyot depolarizer 立奥去偏振器 | Lyot filter 立奥滤光器 | Lyot's filter 立奥滤色器 |
| Lyot-Ohman filter 立奥-渥曼滤光器 | Lyoyd's mirrorr 洛埃镜 |
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