Therefore, it is necessary to study new soft-tissue cutting algorithm, which belongs to element subdivision algorithm.

因此有必要研究一种新的基于体元剖分的软组织切割算法。

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Firstly, the paper introduces the application requirement of Global Grid System, discusses the basic element of regular polyhedron subdivision.

首先介绍全球网格系统的应用需求，讨论采用正多面体剖分的基本要素。

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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。

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