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	hard drive hard drug Hardecanute hard-edge hard-edged harden Harden Hardenberg hardenbergia hardened hardener hardening hard-favored hard-featured hard-fisted hard goods. hard ground hardhack hard-handed hard hat hard-hat hard head hardhead hardheaded hardhead sponge

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