从一条直线出发的两个半平面所组成的图形叫做二面角，这条直线叫做二面角的棱，这两个半平面叫做二面角的面。
二面角的棱 [数] edge of a dihedral angle
平面二面角 plane dihedral angle
二面角的面 face of dihedral angle
二面角分布 dihedral angel distribution
邻接二面角 [数] adjacent dihedral angle
对顶二面角 [数] vertically opposite dihedral angle
二面角之和 sum of dihedral angel
二面角的度量和画法 Qinghai Education
求解二面角的常用方法 Middle School Students Science Monthly
讨论了通过求作二面角的棱来求二面角的大小问题。
The problem is discussed, that seeks the size of the dihedral Angle by seeking to do the edge of the dihedral Angle.
飞行器翼身接合部构成的二面角反射器是很强的电磁散射源。
The dihedral corner reflector with wing and fuselage joint of aircraft is a very strong electromagnetic source in a wide angular range.
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.
应用推荐