负折射率球轴向光力计算程序 The negative refractive power axial ba-The negative refractive power axial ball

运用GUI界面设计，设计小球运动轨迹模型，有开始，暂停，反向运动，退出等功能......音乐文件的读取(Using GUI interface design, the design of small ball trajectory model, there are start, pause, reverse movement, exit and other functions....Reading music files)