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| 专用控制信道 | |||
| English thesaurus | |||
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| DCCH (GSM, Mobile-Systems) | |||
| dedicated control channel: 11 phrases in 6 subjects |
| Computer networks | 1 |
| Electronics | 4 |
| Information technology | 2 |
| Space | 2 |
| Technology | 1 |
| Telecommunications | 1 |
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