“voice-frequency carrier telegraphy”的概念、定义、翻译、参考文献-科学参考

单词	voice-frequency carrier telegraphy
释义	voice-frequency carrier telegraphy [`vȯis ¦frē·kwǝn·sē ¦kar·ē·ǝr tǝ`leg·rǝ·fē] ^{COMMUNICATIONS} Carrier telegraphy in which the carrier currents have frequencies such that the modulated currents may be transmitted over a voice-frequency telephone channel.
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