单词盒子
简体 繁體

down lead

D 开头单词

基本解释

  • 引入线

英汉例句

    双语例句

  • Did the U.S. government's decision to keep interest rates down lead to increased home buying in the United States in the middle of the last decade?
    在前一个十年中期的时候,美国保持低利率的决策是否导致了购房的增加呢?
  • The affection of parameter variation of down lead wires and top loading wires on effective height, radiation pattern, input reactance, radiation resistor and static capacitance is discussed.
    同时研究了引线及顶线的各项参数变化对天线的有效高度、增益、输入电抗、辐射电阻及静电容的影响。
  • It is hold that one can increase static capacitance, reduce mode of input reactance and enhance the antenna gain by increasing down lead wires, their distances or lengthening the top loading wires.
    研究表明,增加引线数目、引线间距和加长顶线长度均可以增加天线系统的静电容,减小输入电抗的模值,并使天线的增益有所改善。
  • 原声例句

  • If the lead climber were injured in a fall from any higher up, the belayer could not get him down.
  • Guides lead groups on lighted paths down into the ground and through the caves.
  • We don't want to get the Supreme Court into making fine distinctions about what is better than others, because that will lead us down a slippery slope.
  • 权威例句

  • However, having the basics down can lead to better and more frequent connections.
    FORBES: The 8 Networking Rules You Should Never Break

词组短语

    短语

  • run down a lead 按线索追踪
  • antenna down -lead 天线下引线
  • down -lead metal core 引线金属芯
  • Down -Lead Specification 引线说明
  • internal down -lead 内引线

专业释义

    电子、通信与自动控制技术

  • 支架夹板
  • 天线引下线
  • 动力与电气工程

  • 支架夹板
  • 土木建筑工程

  • 引下线
  • 能源科学技术

  • 接地引下线
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