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关于切点单形的两个不等式 总被引:28,自引:3,他引:25
Definition Let Ai(i=1,2,…,n+1) be the vertex of a simplex ΣA in n-dimen-sional Euclidean space En and Ai′ be the tangent points which the inscribed sphere of ΣA is tangent to the side face of ΣA, then the simplex with the tangent points as vertexes is called the tangent points simplex. 相似文献
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