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正则星形线,regular astroid
2023-03-29 13:36词典 人已围观
1)regular astroid
正则星形线
2)regular asteroid
正星形线;正则星形线
3)star regular element
星-正则元
4)star regularrings
星-正则环
5)regular simplex
正则单形
1.
The regular simplex was summarized,which pointed out new characters of regularsimplex.
指出了正则单形的新性质,如棱长为a的n维正则单形Ωn的体积V有下述公式1()!2Vn ann=+,任何n维正则单形?n的所有顶点角之和1 12 21n i(1)arcsin(1)(1 1)nin n∑=+α=++?+n,任何n维正则单形的所有二面角之和1 1≤i<∑j≤n+βij=???n 2+1arccos1/n,并借助于矩阵理论对已有的性质给出直观性的证明。
2.
This paper proves that the sum of the square of the distance of any paint on m-dimensional spherical surface whose centre is the centre of the regular simplex from each edge is an invariable,thus obtains that the supposition in paper[1] is tenable when i=m-1.
该文证明了M维欧氏空间中以正则单形的中心为球心M维球面上任一点至各条棱距离平方和为不变量,从而获得文[1]中的猜想当i=m-1时是成立的。
3.
This article gives the volume inequality of higher dimension simplex about interface and dihedral angle, then sets up regular simplex s volume formula which differs from definition.
给出了高维单形与界面有关的体积不等式和与二面角有关的体积不等式,进而建立正则单形的有别于定义式的体积公式。
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6)regular body
正则形体
补充资料:李则星
李则星
李则星 清代医生。山西临晋县人。精于《易》理,亦通医术,兼善巫术,凡治病多应手而愈。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
正则星形线,regular astroid
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