atomic molecular theory

Positron or electron-atom collision theory is a main and fundamental area of atomic and molecular physics.

正（负）电子与原子的碰撞理论是原子与分子物理主要的研究领域。

The atomic and molecular data on physical processes in fusion research are described. These data will be confirmed by experiment and theory in the future.

本文主要描述了聚变研究中所需要的一些原子和分子物理过程的数据，这些数据有待今后在实验和理论研究中加以确定。

In particular, it is emphasized that the physical mechanics method, the theoretical basic of which is the atomic and molecular theory, is important to the radiation characteristic research for plume.

特别对以原子分子理论为基础的物理力学方法研究尾喷焰辐射特性的重要性进行了论述。