switching transient meaning in English

操作过电压
操作瞬变现象
开关瞬态

Analysis of switching power unitive switch transient theory
开关电源统一开关过程理论分析
A device having one output channel and one or more input channels , such that the output channel state is completely determined by the input channel states , except during switching transients
具有一个输出通道和一个或多个输入通道的一种器件,除开关瞬间外,其输出通道的状态完全由输入通道的状态决定。