本文以命题形式讨论无棱二面角的平面角大小的几种解法并加以证明和举例。
In the form of propositions, this paper discusses several solution methods of the size of dihedral angles and proof and example are also offered.
通过对等效照明面积的分析，给出了能计算任意平面形状、有遮挡效应的二面角反射器后向雷达散射截面的工程方法。
Through the analysis of EIA, a modified computational method is given, which can analyze a dihedral corner reflector with arbitrary shape of planes and with shadow objects.
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