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- The sum of the directed distances from any point in space to equicrural tetrahedrom's four planes is a definite number. 摘要给出空间任意一点到等腰四面体4个面有向距离的一个定值性质。
- equicrural tetrahedrom 等腰四面体
- Equicrural Normalized Pseudo-metric 等腰归一化伪距离
- A Definite Value about Directed Distance of Isosceles Tetrahedrom 关于等腰四面体有向距离的一个定值性质
- A beautiful identical equation of the vector of the tetrahedrom 关于四面体的一个向量恒等式
- equicruraladj. 等腰的
