1.
illuminating laser beam
照射激光束，照明激光束
2.
collimated lihgt beam
准直光束，平行光束
3.
Study of Laser Beam Width, Beam Quality and Focal Shift;
激光光束束宽、光束质量和焦移的研究
4.
luminous flux
【物】光束, 光通量
5.
double-beam grating spectrophotometer
双光束光栅分光光度计
6.
double - beam spectrodensitometer
双光束分光光密度计
7.
collimated laser beam
激光平行光束，平行激光束
8.
This device splits the light beam into a measuring light beam and a reference light beam.
此设计把光束分成测量光束和参化光束。
9.
split-beam photometric analyzer
分裂光束光度分析仪
10.
single beam molecular absorption spectrometer
单光束分子吸收光谱仪
11.
double beam molecular absorption spectrometer
双光束分子吸收光谱仪
12.
laser beam type thermal detector
激光光束型感温推测器
13.
headlight beam aiming control
前照灯光束对光操纵件
14.
switch a car's headlights from a higher to a lower beam.
转变汽车的前灯使从高光束到低光束。
15.
The Transformation of Gaussian Beams Pass through the Defocusing Telescope System;
高斯光束通过离焦激光扩束器的变换
16.
The Beam Propagation Factor and the Focal Shift of Truncated Gaussian Beams
截断高斯光束的光束传输因子和焦移
17.
Beam quality characterization of super-Gaussian beams passing through a spherically aberrated lens with an annular rectangular aperture
超高斯光束经光阑球差透镜后的光束质量评价
18.
Theoretical Investigation of Propagation of Laser Beam and Ultrashort Pulsed Beam;
激光光束传输及超短脉冲光束传输的理论研究