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收发报 : 41 phrases in 15 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 4 |
| Business | 3 |
| Earth sciences | 2 |
| Economy | 1 |
| Electronics | 1 |
| General | 4 |
| Project management | 1 |
| Remote sensing | 2 |
| Shipbuilding | 1 |
| Space | 2 |
| Sports | 3 |
| Technology | 12 |
| Telecommunications | 2 |
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