英语词汇“extremely low frequency”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	extremely low frequency
释义	extremely low frequency Radio. any frequency between 30 and 300 hertz. Abbr.: ELF, elf [1965-70]
随便看	signify signifying sign-in signior sign language sign manual sign of aggregation sign-off sign of the cross sign of the zodiac sign-on signor signora signore Signorelli signorina signorino signory sign-out signpost sign-up Signy abstinence theory abstr. abstract

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