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| 工作频率: 24 phrases in 11 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Economy | 1 |
| Electronics | 3 |
| Geophysics | 1 |
| Information technology | 3 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 7 |
| Telecommunications | 1 |
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