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

• Nicola Tesla invents alternating current.
  尼古拉特斯拉发明了交流电。
• 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。
• 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。
• 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。
• This is an alternating current generator.
  这是一台交流发电机。
• 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。
• 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。
• 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。
• This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter.
  这种高频交流电流产生前一章提到过的高频无线电波。