?everal classical models are presented such as Thomas model, Bohr-Lindhardt model, Over Barrier model, and molecular Coulombic overbarrier model (MCBM).

• 讨论了几种基于独立电子模型（IEM）描述离子与原子碰撞中电子转移的经典模型，即Bohr－Lindhardt模型、过垒模型OBM和分子库仑过垒模型MCBM。