[电]?差拍电压

... 差励绕组 differential excited field winding 差拍电压 beat voltage 差频继电器 difference-frequence relay ...

?跳动电压

... 跳动测量 pulsation measurement 跳动电压 beat voltage 跳动光电导 hopping photoconduction ...

?频差电压

... beat voltage monitor 频差电压检测器 beat voltage 频差电压 beat 打;跳动 ...

?拍电压

... 拍电报 cable; send a telegraph; wire 拍电压 beat voltage 拍电影 filmize; make a film; make films; screen; to shoot film ...