The Sphere Circumscribing a Tetrahedron的意思|示意
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包围四面体的球体
The Sphere Circumscribing a Tetrahedron的网络常见释义
四面体的外接球 ... 偏斜直线之间的最短距离The Shortest Distance Between Skew Lines 四面体的外接球The Sphere Circumscribing a Tetrahedron 五种正则体The Five Regular Solids ...