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| teleprocessing network; data transmission network | |||
| data network | |||
| information network A system of interrelated persons and/or devices linked to permit the exchange of data or knowledge; information network | |||
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datanat : 24 短语, 4 学科 |
| 信息技术 | 4 |
| 环境 | 5 |
| 电报 | 2 |
| 通讯 | 13 |