In this paper, the finite difference method is used to solve the diffusion equation and the spherical particle is discretized with iso-spacing grids and iso-volumetric grids respectively.
采用有限差分法数值求解扩散方程，分别利用等距网格和等体积网格划分计算区域。
In this paper, the finite difference method is used to solve the diffusion equation and the spherical particle is discretized with iso-spacing grids and iso-volumetric grids respectively.
采用有限差分法数值求解扩散方程，分别利用等距网格和等体积网格划分计算区域。
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