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扫描 的 : 75 phrases in 14 subjects |
| Air defense | 6 |
| Aviation | 4 |
| Computer numerical control | 1 |
| Construction | 1 |
| Earth sciences | 4 |
| Economy | 1 |
| Electronics | 6 |
| General | 16 |
| Geology | 3 |
| Information technology | 4 |
| Metallurgy | 2 |
| Project management | 7 |
| Space | 12 |
| Technology | 8 |
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