文章介绍了XUV掠入射光栅摄谱仪的光学原理、结构特点，工艺、材料选择及部分实验结果。
The XUV grazing incidence grating spectrograph is described in terms of optical principle, structure characteristics, technology and material selection. Some experimental results are also presented.
本文叙述了库特摄谱仪的主要光学部件的安装、整方法。
The method of fixation and adjustment of the main optical components of the Coude spectrograph is described in this paper.
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。
The reflector telescope's mirror optics gather light from celestial objects and direct it to an array of cameras and spectrographs.
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