alternating current
英 [ˌɔːltəneɪtɪŋ ˈkʌrənt]
美 [ˌɔːltərneɪtɪŋ ˈkɜːrənt]
n. 交流电
牛津词典
noun
- 交流电
an electric current that changes its direction at regular intervals many times a second
柯林斯词典
- 交流电（缩略形式为AC）
Analternating currentis an electric current that continually changes direction as it flows. The abbreviationACis also used.
英英释义
noun
- an electric current that reverses direction sinusoidally
- In the US most household current is AC at 60 cycles per second
双语例句
- Rectifiers are devices that convert alternating current ( AC) to direct current ( DC).
整流器是一种将交流电转换为直流电的仪器。 - NOVELTY-The vehicle has an electric motor-generator ( 20) for generating an alternating current and starting an engine.
新颖性–这种汽车具有电动发电机（20），用于产生交流电以及启动发动机。 - This iron can only be used with alternating current.
这种熨斗只能使用交流电。 - When the cables use in alternating current system, rated voltage of cables should be at least equal the rated voltage of the system;
当电缆使用于交流系统时，电缆的额定电压至少应等于该系统的额定电压； - Converter stations transform alternating current to direct current for transmission and back to AC again for distribution to consumers.
换流站将交流电转换成直流电传输，然后又转换回交流电用于分配到用户。 - The difference between a direct and an alternating current is that a direct current always flows in one direction.
直流电和交流电的区别在于直流电总是向一个方向流动。 - It is common for the direct current circuit to be interfered by alternating current voltage.
直流回路受到交流电压干扰，是控制回路中容易产生的现象。 - A direct current control circuit adopts an alternating current contactor, so the utility model prolongs the service life and improves the reliability.
在直流控制电路中采用了交流接触器，解决了整机的寿命与可靠性。 - Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit.
瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。 - Perhaps most importantly, Nikola Tesla designed the first practical system for generating and transmitting alternating current for electric power.
也许最重要的发明是，尼古拉特斯拉（NikolaTesla）设计了第一个实用的交流发电和输电系统。