编制了月球地图投影计算软件；

The lunar map projections software is compiled.

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本文利用角度投影计算法对直纹蜗杆轴向齿形进行了分析与计算。

In this paper, the axial section profile of worm with straight generatrix is analyzed and calculated according to Angle projection calculating.

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模拟器用来进行几何面的自投影计算，以致被屏蔽机身特性的RCS贡献被隐藏。

The simulation uses geometric self-shadowing of facet calculations, such that RCS contributions hidden by shadowing airframe features are removed.

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