萬杯潔海词词典

extremely low frequency

E 开头单词

基本解释

  • [通信] 極低頻

同根派生

     

英汉例句

    雙語例句

  • This falls in the extremely low frequency (ELF) range which includes frequencies up to 300 Hz.
    這種頻率屬於極低頻的頻率範圍內，通常極低頻的頻帶範圍也在300Hz以下。
  • The important frequencies for stimulating tissue repair are all in the biologically important extremely low frequency (ELF) range.
    爲促進組織脩複的重要頻率在生物的重要極低頻所有（低頻）的範圍。
  • These are quasi-standing extremely low frequency (ELF) waves that naturally exist in the earth´s 'electromagnetic´ cavity, the space between the ground and the ionosphere.
    這些是天然地存在於地球的“電磁”空腔——地麪和電離層之間的空間中的極低頻（ELF）準駐波。
    blog.sina.com.cn

    • 權威例句

  • More specifically, researchers have been interested in the link, if any, between the extremely low frequency magnetic fields generated by these lines and childhood leukaemia.
    ECONOMIST: Power lines and cancer
  • The sensors work by detecting extremely low-frequency electrical activity over a distance of 5 microns (one micron being equal to one millionth of a metre).
    FORBES: Can Forensic Scientists Tell How Old A Fingerprint Is?

词组短语

    短語

  • extremely low frequency emission 超低頻放射;繙譯;超低頻發射
  • extremely low frequency transmitting 超低頻發射
  • extremely low frequency propagation [電子]極低頻傳播
  • extremely low frequency field 工頻電場
  • Extremely Low Frequency Radiator 極低頻電磁輻射器

英英字典

    柯林斯英英字典

  • a radio frequency or radio-frequency band below 3 kilohertz (3) ( abbr: ELF)

专业释义

    能源科學技術

  • 極低頻

    • 電子、通信與自動控制技術

  • 極低頻
  • 至低頻

    • 計算機科學技術

  • 極低頻率
  • 超低頻