“low-frequency”的概念、定义、翻译、参考文献-科学参考

单词	low-frequency
释义	low-frequency [`lō ´frē·kwǝn·sē] ^{COMMUNICATIONS} A Federal Communications Commission designation for the band from 30 to 300 kilohertz in the radio spectrum. Abbreviated LF.
随便看	majority carrier majority element majority emitter majority gate majority logic major joint major key major light major lobe major node major operation major planet major relay station major repair major trough major wave make make-and-break circuit make-break operation make-busy make contact makeready make the land makeup makeup air

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