中文说明：
该程序用有限差分法求解了烧结过程的相场模型算法代码为longhand格式，未针对Matlab/Octave进行优化（该程序用有限差分算法解决烧结过程的相场建模问题）。
English Description：
This program solves the phase-field modeling of sintering with finite difference algorithm.The code is in longhand format and not optimized for Matlab/Octave(This program solves the phase-field modeling of sintering with finite difference algorithm.)