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| 中继通信 | |||
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relay communication : 55 phrases in 13 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Business | 1 |
| Communications | 8 |
| Computer networks | 1 |
| Electronics | 3 |
| General | 2 |
| Information technology | 2 |
| Rail transport | 2 |
| Space | 22 |
| Technology | 5 |
| Telecommunications | 5 |
| United States | 1 |