英语词汇“bell 202”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	bell 202
释义	Bell 202 Bell 202 An AT&T standard for asynchronous 1800 bps full-duplex modems using DPSK modulation over four-wire leased lines as well as 1200 bps half-duplex operation over dial-up lines.
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Bell 202