1) large aperture collimating optical system
大口径光学准直系统
2) large aperture optical system
大口径光学系统
1.
At present, large aperture interferometer is used to test the quality of large aperture optical system, but this method must process high-accuracy standard surface, it is difficult to manufacture, having long manufacture and high cost.
目前检测大口径光学系统质量不仅难度大,而且制造周期长,制造成本高。
3) Large-aperture collimation beam
大口径准直光束
5) wide-aperture optical system
大孔径光学系统
6) optical system of laser collimator
激光准直光学系统
补充资料：次大口径成品油管道(见大口径原油管道)
次大口径成品油管道(见大口径原油管道)
small big inch products pipeline
次大口径成品油管道比m“，。彬duet、pipeline)见大。径原油管道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条