The reflector telescope's mirror optics gather light from celestial objects and direct it to an array of cameras and spectrographs.
巨大的反射望远镜的反射镜以光学聚集来自天体的光，转往两部相机和两部摄谱仪。
Influence of position of output mirror on beam of two rod solid state laser has been analysed by means of matrix optics and experiment.
采用矩阵光学理论和实验相结合的方法，分析了输出镜对双棒串接固体激光器输出光束的影响。
The geometric optics is used to simulate a cascade inverted-cone blackboby simulator from the features of blackboby mirror cavity.
根据黑体镜腔特征，用几何光学方法模拟黑体得一串联倒锥式黑体模拟器。
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