The negative effect produced by ionization of the dielectrics is reduced with the phase factor of alternating electric signals.
利用交变电信号的相位项，降低由电介质电离而产生的负效应。
2
On the railway of electrization, power supply mode is requested to be the single-phasealternating current.
在铁道电气化牵引区段，牵引供电网采用单相工频交流电供电方式。
3
Analyse principle of operation, technology feature of single-phasealternating current induced liquid metal electromagnetic pump wave soldering machine.