1.
Reconstruction of Bessel beams with an obstacle set off the axial
离轴障碍物Bessel光束的重建
2.
The Scalar and Vector Analysis of Bessel Beams;
Bessel波束的标量和矢量分析
3.
illuminating laser beam
照射激光束，照明激光束
4.
collimated lihgt beam
准直光束，平行光束
5.
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
6.
luminous flux
【物】光束, 光通量
7.
double-beam grating spectrophotometer
双光束光栅分光光度计
8.
double - beam spectrodensitometer
双光束分光光密度计
9.
collimated laser beam
激光平行光束，平行激光束
10.
beam forming optics
射束形成光学;聚束光学系统;聚束光学系统
11.
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。
12.
split-beam photometric analyzer
分裂光束光度分析仪
13.
single beam molecular absorption spectrometer
单光束分子吸收光谱仪
14.
double beam molecular absorption spectrometer
双光束分子吸收光谱仪
15.
laser beam type thermal detector
激光光束型感温推测器
16.
micellar solubilization spectrophotometry
胶束增溶分光光度法
17.
raster scan electron beam lithography
光栅扫描电子束光刻
18.
ultraviolet double beam spectrophotometer
紫外双射束分光光度计