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X.25 |
International standard of the CCITT for packet switching of electronic data transmission. |
X.400 |
A CCITT recommendation designed to facilitate international message and information exchange between subscribers of computer based store-and-forward services and office information systems in association with public and private data networks. |
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X.500 |
A series of computer networking standards regarding electronic directory services. |
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Xiamen International Container Terminals
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Xiamen International Container Terminals |