extremely low frequency

基本解释

• [通信] 極低頻

同根派生

• extremely low frequency相关词

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?

• extremely low frequency更多例句

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

• extremely low frequency更多词组

英英字典

柯林斯英英字典

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

• extremely low frequency剑桥字典
• extremely low frequency柯林斯字典

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