alternating current
柯林斯词典
1. N-VAR An alternating current is an electric current that continually changes direction as it flows. The abbreviation is also used. 交流电
返回 alternating current
alternating current (alternating currents)
剑桥词典
- an electrical current that regularly changes the direction in which it moves
交流电
比较
direct current 返回 alternating current