bumping collision的用法和樣例：
例句
- Our theoretical values of inelastic collision can provide the concerned anisotropie collision experiments with basic information.
非彈性碰撞截面計算值能為有關各向異性散射實驗提供參考數據。 - Additional insight is gained by examining the elastic collision of equally massive particles in the center-of-mass frame of reference.
對質量相等的兩質點的彈性碰撞更徹底的理解，可通過質心參照系而獲得。
