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实验 区 : 29 phrases in 12 subjects |
| Aerohydrodynamics | 1 |
| Animal husbandry | 1 |
| Architecture | 1 |
| Aviation | 2 |
| Business | 2 |
| Earth sciences | 5 |
| Electronics | 2 |
| Geophysics | 1 |
| Oil / petroleum | 1 |
| Statistics | 3 |
| Technology | 8 |
| United States | 2 |
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