ac alternating current meaning in English
交流电流
交流电，交流
Examples
- Ac alternating current ( ac ) is electric current that alternates between a positive maximum value and a negative maximum value at a characteristic frequency , usually 50 or 60 cycles per second ( hertz )
交流交流是指电流在正负最大值之间以特定的频率变动，通常频率为50或60赫兹。