An implicit method is employed in solving diffusion term and projection term, such as Gauss-Seidel iteration method, Fast Fourier Transform.

在求解扩散项和投影项时，采用隐式的求解方法，例如高斯—塞德尔迭代法、快速傅里叶变换。

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In this paper first of all it is proved that the mathematical nature of the ordinary moment distribution method is the Seidel iterative method.

本文首先证明一般的力矩分配法的数学本质就是赛德尔迭代法。

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