它表示带电粒子间的力量强度。

It characterises the strength of the force between electrically charged particles.

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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.

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依据量子力学，研究了基本粒子间的相互作用。

The interactions among basic particles are studied according to the quantum mechanics.

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PROFESSOR: And this is a question based on where we left off on Wednesday -- we were talking about Coulomb's force law to describe the interaction between two particles and good job, most of you got this correct.

教授：这是我们上次最后,留下的问题-我们讲到,描述粒子间相互作用的,库伦定律，很好,大部分人都做对了。

麻省理工公开课 - 化学原理课程节选