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单词 extremely low frequency
释义

extremely low frequency


noun Radio.

any frequency between 30 and 300 hertz. Abbreviations: ELF, elf

Origin of extremely low frequency

First recorded in 1965–70

Words nearby extremely low frequency

extremal, extreme, extreme fighting, extremely, extremely high frequency, extremely low frequency, extreme programming, extreme sport, extreme unction, extremism, extremist
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for extremely low frequency

extremely low frequency

noun

a radio frequency or radio-frequency band below 3 kilohertzAbbreviation: ELF
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2024/11/11 20:42:08