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

• 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。
• This is an alternating current generator.
  这是一台交流发电机。
• 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。
• 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。
• 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。
• 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；
• 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。
• Inverters are used to supply alternating current from fuel cells when an AC output is desired.
  当需要交流输出时，采用换流器以从燃料电池获得交流。
• 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；