switch-开关switchn.转换；开关；鞭子v.改变；交换；转换；鞭打switching operating操作票Switching converter开关变换器switching programme开关程序,开闭程序switch off the pump关闭水泵switching intensity目标转移强度Switch verbose mode切换冗余模式开关switching subsystem转接子系统switching intervals脉冲switch-hook flash拍叉簧信号switched major node交换主节点