英语词汇“j-carrier system”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	j-carrier system
释义	J-carrier system J-carrier system [′jā ¦kar·ē·ər ‚sis·təm] (communications) Broad-band carrier system, providing 12 telephone channels, which uses frequencies up to about 140 kilohertz by means of effective four-wire transmission on a single open-wire pair.
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J-carrier system