由于质子与电子的质量比很大，能量平衡时间比粒子间碰撞时间长。
The energy equipartition time is longer than the interparticle collision time by the mass ratio of proton and electron.
前期的热气球实验发现沙漠中的沙暴可以被电荷化，虽然目前尚没有完全搞清楚原因，但很可能与粒子间一系列的碰撞有关。
Prior research done with weather balloons had shown that desert dust storms can become electrified through a process of particle collision that is not yet completely understood.
粒子间的碰撞是粒子悬浮的原因之一；
The particles collision is one of the causes of particles suspension.
用质心坐标系分析了二体问题的运动方程，并用质心系讨论了两个粒子间的弹性碰撞问题。
This paper analyses the two body problem of kinematical equation and discusses the elastic collision between two particles in the center of mass system.
同性带电粒子间的碰撞作用减少凝聚率。
Encounters of like charges act to diminish the coagulation rate.
同性带电粒子间的碰撞作用减少凝聚率。
Encounters of like charges act to diminish the coagulation rate.
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