switching process

• 线路换态过程,整流过程,转换过程

switching process的用法和样例：

例句

1. The transition process happens in several phases.
   转换过程分多个阶段进行。
2. The fundamental rule of the conversion process is that the receiving system will always perform the code page conversion.
   转换过程的基本规则就是接收系统将总是执行代码页的转换。