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

• 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。
• A diode rectifies alternating current. The dipole does not radiate energy in the direction of its axis.
  电流在二极管中只朝单方向流动。偶极子在它的轴的方向上不发射能量。
• 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。
• Nicola Tesla invents alternating current.
  尼古拉特斯拉发明了交流电。
• 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。
• The method includes the following steps: exerting alternating current on the coil to generate an alternating magnetic field;
  该方法包括对线圈施加交流电以产生交变磁场；
• 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。
• 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。
• 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。