alternating current

英 [ˌɔːltəneɪtɪŋ ˈkʌrənt]

美 [ˌɔːltərneɪtɪŋ ˈkɜːrənt]

n.  交流电

化学

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
  1. In the US most household current is AC at 60 cycles per second
  Synonym:ACalternating electric current

双语例句

• This simple device is the prototype of the commercial alternating current generator, or alternator.
  这个简单装置就是商用交流发电机的原型。
• Alternating current is different from direct current in that it constantly changes its direct of flow.
  交流电与直流电的不同之处在于交流电不断地改变其电流流动方向。
• 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。
• Either direct or alternating current may be used for driving electric trains.
  直流电和交流电都可用来驱动电气火车。
• Nicola Tesla invents alternating current.
  尼古拉特斯拉发明了交流电。
• 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 tendency of high-frequency alternating current to distribute near the surface of a conductor.
  高频率改变电流使其在导体表面附近流动的趋向。
• Analysis and Countermeasure of Alternating Current Invasion to Direct Current System of Substation
  变电站直流系统交流侵入问题的分析与对策
• After the advent of transformers, much of the load was served by alternating current instead of direct current.
  变压器出现后，许多负荷由交流供电而不用直流供电。
• An Electroic Device that changes alternating current ( ac) to direct current ( dc).
  用来将直流电转换成交流电的装置。