它近似于弹性碰撞，它从墙壁反弹。
It's a nearly elastic collision and it bounces back from the wall.
进而得到了麦克斯韦分子碰撞模型下离子分布函数的16矩近似。
The ion velocity distribution of Maxwell molecule collision model can be obtained using the 16-moment approximation.
当头盘系统发生碰撞时，冲击激励峰值加速度与作用时间的倒数之间具有近似线性关系。
When the head disk collision occurs, the peak acceleration of the shock pulse approximately follows a linear relationship with the inverse of the excitation duration.
本文扼要阐述了在库仑波玻恩近似下，电子与离子碰撞激发截面的理论推导。
This paper briefly describes the theoretical deduction of the cross section of electron -ion impact excitation in Coulomb -born approximation.
使用该技术测量碰撞截面具有很小的误差，误差近似2%-7%。
The measurements using this technique have a very small error in the range of approximately 2%-7%.
使用该技术测量碰撞截面具有很小的误差，误差近似2%-7%。
The measurements using this technique have a very small error in the range of approximately 2%-7%.
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