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

单词	high-frequency carrier telegraphy
释义	high-frequency carrier telegraphy [`hī ¦frē·kwǝn·sē `kar·ē·ǝr tǝ`leg·rǝ·fē] ^{COMMUNICATIONS} Form of carrier telegraphy in which the carrier currents have their frequencies above the range transmitted over a voice-frequency telephone channel.
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