该程序主要功能是绘制二维动态平面点图，程序中利用vector读取二维平面点坐标文件，然后根据读取顺序绘制平面点图，可动态查看点坐标的发展过程，应用于多个领域！-The main function of the program is to draw two-dimensional dynamic plane point map, the program uses the vector to read the two-dimensional plane point coordinate file,