通过对几种反射率测量方法的比较，针对激光陀螺对高反镜测量精度的要求，本文采用CRDS法来测量反射率。

By contrast with several methods of measuring reflectivity, the CRDS is proved to be the most ideal method for measuring ultrahigh reflectivity.

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这个马卡-牛反的设计提供大口径的高消色差性能并伴有优异的视场矫正。望远镜采用了坚固的镜体。

The Mak-Newtonian design provides large aperture apochromatic performance with exceptional field correction in a compact, affordable package.

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