大灯光束 headlight beam
前照灯光束对光操纵件 headlight beam aiming control
低度光束角照射灯 narrow back
冷光束低压电子投影灯 cool beam low volatage electronic projective lamp
细光束聚光灯 pin spot light
用反射器形成平行光束的灯光 catoptric light
标形双光束光谱仪 comb-type doble beam spectrometer
单光束光电比色计 single-beam photoelectric colorimeter
单光束光谱辐射计 single beam spectrum radiator
多激光光束 Multi-laser beam
分裂光束光度分析仪 split-beam photometric analyzer
复光束光度计 double beam photometers
高能激光光束 High energy laser beam
高斯光束光斑半径 beam width of Gaussian beam
共轴光束光谱仪 coaxial beam spectrometer
光束光度计 double beam photometer
光束束宽 Beamwidth
光束束宽积 beamparameter product
光束束腰 Beam waist