Orthosilicates or nesosilicates have no linking of polyhedra.

正硅酸盐或无硅酸盐没有多面体连接。

Polyhedra with seven vertices are rare.

具有七个顶点的多面体是稀少的。

Each of these perfect polyhedra would be in turn composed of triangles.

每一个理想的多面体是依次由三角形组成。

An algorithm for computing the minimum distance between two convex polyhedra is presented.

提出的算法，用于计算两个凸多面体之间的最小距离。

The result indicated that a great lot of virus polyhedra could be prepared by this method.

结果表明，可以用此方法大量制备病毒多角体。