英语语法分析

We considered the finite volume element methods (FVM) based on circumcenter dual subdivision for the elliptic equations and parabolic equations.

考虑基于外心对偶剖分的椭圆型与抛物型方程的有限体积元法。

This paper explores into the distance formula between median point, orthocenter, circumcenter and inner point of triangle by means of two related formulas of vector methods.

应用两个向量法相关公式探讨了三角形重心、垂心、外心以及内心之间的距离公式。