由转动惯量的坐标表示,以及正多面体的顶点坐标,得到了质量均匀分布在正多面体各个顶点、各条棱、各个面和体内相应的转动惯量.
From the coordinate representation of moment of inertia ,the moment of inertia of regular polyhedrons whose mass are uniformly distributed on each vertex ,each edge ,each face and inside the body are given .