GO (Geometrical Optics) method for multi-reflection between facets.
采用几何光学的方法计算多次散射场。
The multi-reflection and medium filter are considered in the new method, and the corresponding software is made.
考虑了介质滤波和多次反射波的作用，并制成了相应的软件。
The sensitivity of the straightness measurement can be improved by a factor of 8 compared with the movement of the detector itself via using multi-reflection and combination lenses.
利用测量光线的多次反射和组合透镜的方法使测量系统的分辨率相对于用探测器直接探测分辨率提高了8倍。
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