由于正二十面体的对称壳层结构，离子动能分布具有尖峰结构。
Because of the symmetrical shell structure of the icosahedron, the distribution of the ionic kinetic energy features some pinnacles.
在等弧长比投影族球面正二十面体投影基础上设计了球面三角四叉树剖分模型(EARPIH)。
Based on the spherical icosahedron case of Equal Angle Ratio Projections (EARP), a new spherical Triangle regional Quadtree (EARPIH) is constructed.
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