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| 显示符: 38 phrases in 13 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Economy | 1 |
| Electronics | 6 |
| General | 1 |
| Information technology | 6 |
| Mathematics | 1 |
| Metallurgy | 4 |
| Shipbuilding | 1 |
| Space | 4 |
| Technology | 10 |
| Telecommunications | 1 |
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