基于激光扫描检测原理，提出了一种用于测量较大直径的双光束激光扫描尺寸测量系统。
Based on the laser-scanned inspecting principle, a double beams laser-scanned measuring system for size is presented, which is used to measure a diameter.
采用了双光束干涉的迈克尔逊干涉仪系统的傅里叶变换红外光谱仪，在动镜运动过程中，动镜可能在三个方向发生倾斜。
The Michelson interferometer system which has two-beam interference is applied in Fourier Transform interferometer, the moving mirror could tilt in three directions in motion.
最后论证用双光束激光直写系统制作亚微米光栅型导光板的可行性。
At last, the feasibility of fabricating light guide plate by double beam laser direct writing system is confirmed.
本文介绍偏振干涉相位细分中应用双光束分光系统的必要性，分光系统的优选原理及结构。
This paper introduces the necessity of double beam splitting system applicating in polarization interference phase subdivision and the optimized principle of this beam splitting system.
介绍了一种双光束自适应准直测量系统。
A twin-beam adaptive alignment measurement system is introduced.
本文着重讨论了双光束条纹型激光多普勒测流系统中，光学分束系统参数与散射信号的关系，列出了有关的公式。
The effects of parameters of optical beam splitter on-Doppler signals in a dual beam LDV were discussed, and the formulae about these effects were given.
本文着重讨论了双光束条纹型激光多普勒测流系统中，光学分束系统参数与散射信号的关系，列出了有关的公式。
The effects of parameters of optical beam splitter on-Doppler signals in a dual beam LDV were discussed, and the formulae about these effects were given.
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