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导值 : 41 phrases in 12 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Economy | 2 |
| Electronics | 14 |
| Finances | 2 |
| Geophysics | 3 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Military | 1 |
| Securities | 1 |
| Space | 4 |
| Technology | 10 |
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