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视频/模拟 : 21 phrases in 9 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Earth sciences | 1 |
| Electronics | 10 |
| Geophysics | 1 |
| Information technology | 1 |
| Mathematics | 1 |
| Rail transport | 1 |
| Space | 3 |
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