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| 装 键: 48 phrases in 15 subjects |
| Agriculture | 1 |
| Aviation | 8 |
| Electric machinery | 2 |
| Electronics | 9 |
| Finances | 1 |
| General | 1 |
| Mathematics | 3 |
| Mechanics | 1 |
| Metallurgy | 2 |
| Nautical | 1 |
| Polymers | 1 |
| Rail transport | 1 |
| Space | 4 |
| Technology | 11 |
| Telecommunications | 2 |
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