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发射限 : 23 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Communications | 1 |
| Economy | 1 |
| Electronics | 6 |
| General | 1 |
| Project management | 1 |
| Shooting sport | 1 |
| Space | 6 |
| Technology | 3 |
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