单词 | extremely low frequency |
释义 | extremely low frequency (once / 5909656 pages) n WORD FAMILY extremely low frequency USAGE EXAMPLESMr. Alexis, a former sailor, left behind a document accusing the Navy of attacking his brain with “extremely low frequency” electromagnetic waves. New York Times(Jun 10, 2016) "ELF" is believed to stand for "extremely low frequency." Reuters(Sep 26, 2013) During a press conference, the agency said that Aaron Alexis, 34, had believed he was being controlled by extremely low frequency radio waves. BBC(Sep 25, 2013) n below 3 kilohertz Syn|Hyper ELF radio frequency an electromagnetic wave frequency between audio and infrared |
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