direct current

英 [dəˌrekt ˈkʌrənt]

美 [dəˌrekt ˈkɜːrənt]

n.  直流电

医学化学

牛津词典

noun

• 直流电
  an electric current that flows in one direction only

柯林斯词典

• N-VAR 直流电(缩略形式为 DC)
  Adirect currentis an electric current that always flows in the same direction. The abbreviationDCis also used.
  1. Some kinds of batteries can be recharged by connecting them to a source of direct current.
     一些型号的电池可以连接到直流电源上进行充电。

英英释义

noun

• an electric current that flows in one direction steadily
  Synonym:DCdirect electric current

双语例句

• The no-brush direct current electromotor is a kind of direct current electromotor without any mechanical commutator or brush.
  无刷直流电机是一种没有机械换向器和电刷的直流电机。
• 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。
• The permanent brushless direct current motor can effectively reduce cost and the difficulty of the assemble technology.
  本实用新型的永磁无刷直流电动机可有效降低成本，减轻装配工艺难度。
• A method of direct current converting to realize the DC-DC24V of big fall voltage with high-frequency link is presented in this paper.
  提出了一种采用高频链实现大电压落差的DC-DC24V直流变换方法，并详细阐述了工作原理、控制方案和高频变压器的参数设计。
• The current flowing in one direction is called direct current.
  馈电电流-电话装置的沿着一个方向流动的电流叫做直流电。
• Commutation failure is one of the most common failures for the high voltage direct current transmission system.
  在特高压直流输电中换相失败也是主要的故障。
• Ammeter or current shunt Capable of measuring either alternating or direct current within an accuracy of2%.
  电表或能测量交流或直流电流在精确度2%之内的分流器。
• To run a direct motor, we must connect it to a direct current source.
  要开动直流电机，我们必须把它接到直流电源上。
• A direct current is a current flowing always in the same direction.
  直流电是一种总是沿同一方向流动的电流。
• 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