粒子图像分割及匹配均为自行编制的子例程，主要为数据分析和统计，应用小区域方差对比，程序简单，微分方程组数值解方法，包括面积、周长、矩形度、伸长度。-Particle image segmentation and matching subroutines themselves are prepared, Mainly for data analysis and statistics, Application of small area variance comparison, simple pro