英语词汇“h 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	h carrier system
释义	H carrier system H carrier system [¦āch ′kar·ē·ər ‚sis·təm] (communications) Low-frequency carrier system which provides one carrier channel, using frequencies up to about 10 kilohertz, by means of effective four-wire transmission on a single open-wire pair.
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H carrier system