extremely low frequency

常見例句

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(nèi)，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(quán)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?
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