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数据传信 : 39 phrases in 12 subjects |
| Air defense | 3 |
| Aviation | 8 |
| Business | 3 |
| Computers | 1 |
| Electronics | 1 |
| General | 2 |
| Logistics | 1 |
| Project management | 1 |
| Radio | 1 |
| Space | 3 |
| Technology | 9 |
| Telecommunications | 6 |
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