“grouped-frequency operation”的概念、定义、翻译、参考文献-科学参考

单词	grouped-frequency operation
释义	grouped-frequency operation [`grüpt ¦frē·kwǝn·sē ´äp·ǝ´rā·shǝn] ^{COMMUNICATIONS} Use of different frequency bands for channels in opposite directions in a two-wire carrier system.
随便看	trinomial surd triode triode clamp triode clipping circuit triode laser triode transistor Trionychidae triose trioxygen trip tripalmitin trip change trip coil trip hammer triphane triphenylmethane dye triphenylmethyl radical triphenyl phosphate triphenylphosphine triphenyltetrazolium chloride triphenyltinacetate triphosphopyridine dinucleotide triphosphopyridine nucleotide triphylite tripinnate

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