alternating current

英 [ˌɔːltəneɪtɪŋ ˈkʌrənt] 美 [ˌɔːltərneɪtɪŋ ˈkɜːrənt]

n.  交流电

化学



牛津词典

noun

  1. 交流电
    an electric current that changes its direction at regular intervals many times a second

    柯林斯词典

    1. 交流电(缩略形式为AC)
      An alternating current is an electric current that continually changes direction as it flows. The abbreviation AC is also used.

      双语例句

      1. This is an alternating current generator.
        这是一台交流发电机。
      2. 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。
      3. 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。
      4. 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。
      5. Besides voltage, resistance and capacitance, an alternating current is also influenced by inductance.
        除了电压、电阻和电容之外,交流电还受电感的影响。
      6. 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。
      7. Malleable cast ironware produces hysteresis and eddy current loss under alternating current in transmission!
        针对输电线路上可锻铸铁金具在交变电流的作用下产生磁滞和涡流损耗。
      8. 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。
      9. 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。
      10. 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。
      11. Application of Alternating Current Comparator on Scaling Four-Terminal Impedances
        交流电流比较仪在四端钮阻抗测量中的应用
      12. 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;
      13. 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。
      14. It introduces the methods of alternating current sampling for the power parameter of sing chip computer in ferroalloys furnace.
        介绍了铁合金电炉单片机电力参数的交流采样方法。
      15. 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。
      16. The most crucial point to the dynamic analysis is the drawing of alternating current load line.
        动态分析的对象是交流通路,图解法动态分析的关键是作交流负载线。
      17. This iron can only be used with alternating current.
        这种熨斗只能使用交流电。
      18. 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。
      19. 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。
      20. 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。
      21. The difference between a direct and an alternating current is that a direct current always flows in one direction.
        直流电和交流电的区别在于直流电总是向一个方向流动。
      22. We can also call it an'alternator ', because it generates alternating current ( AC).
        我们可以也称之为'发电机',因为它产生交流电(AC)。
      23. 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。
      24. 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;
      25. 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。
      26. 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
      27. Nicola Tesla invents alternating current.
        尼古拉特斯拉发明了交流电。
      28. 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。
      29. Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit.
        瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。

      英英释义

      noun

      1. 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