collisional narrowing

Using first order electrostatic interaction Hamiltonian especially of linear molecules, the matrix elements expression of collisioninduced electronic transition is derived.

以半经典量子力学方法发展了一个广义的理论，用来描述分子间长程作用下碰撞导致的电子态跃迁过程。

In this paper, the legislation of damages caused by collision without direct impact are narrated, main types of such collisions are classified, and key notes of analyzing such cases are presented.

论述了非实际接触致损碰撞的法律规定，归纳出这种碰撞的主要类型，提出了分析这种碰撞案件几个关键问题。