英语词汇“bell 103”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	bell 103
释义	Bell 103 Bell 103 (protocol)The original variant of V.21 created by AT&Twhen they had a telephone system monopoly in the USA. Bell 103 An AT&T standard for asynchronous 300 bps full-duplex modems using FSK modulation on dial-up lines.
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Bell 103