借助平行光和双面反射镜，对分光计望远镜的视场角进行了分析和测量，并通过实验得出了结果。
With the help of the ray of equal rank and double-faced reflector, the telescopic visual angle of the spectrometer was analyzed and measured. And the conclusion was drawn.
借助平行光和双面反射镜，对分光计望远镜的视场角进行了分析和测量，并通过实验得出了结果。
With the help of the ray of equal rank and double-faced reflector, the telescopic visual angle of the spectrometer was analyzed and measured. And the conclusion was drawn.
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