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X series recommendations | |||
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CCITT X series | |||
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series X recommendations (CCITT) | |||
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V series recommendations (由国际电 报电话咨询委员会 (CCITT) 在20世纪60年代制 定的有关在电话网上进行数据通信的一系列标准) | |||
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CCITT V series |
系列建议 : 6 phrases in 2 subjects |
Computer networks | 3 |
Information technology | 3 |