2024版更新记录：
2024 Edition update Record:
1、能计算2个粒子的弹性碰撞后的各自的速度。
2、能计算球的对心和对切线轴的质量、半径和转动惯量之间的关系和数据。
1, the velocity canning compute the empress of the elastic collision of 2 gramulates respectively.
2, can compute ball of spoil the relation and data of of quantity to mass, radius and slewing of the core and the tangent axis.