SMPS switching-mode power supply--------------开关电源
UPS uninterruptible power supply---------------- 不间断电源
PFC power factor correction-------------------功率因数矫正
APFC active.......有源功率因数矫正
THD total harmonic distortion--------------- 总谐波因数
CE conduction emission---------------------传导
RE radiation emission---------------------辐射
等等等等.........
