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因子 和 : 17 phrases in 12 subjects |
| Agriculture | 3 |
| Aviation | 2 |
| Dermatology | 1 |
| Electronics | 1 |
| General | 1 |
| Genetics | 2 |
| Mathematics | 1 |
| Molecular genetics | 1 |
| Pharmacology | 1 |
| Project management | 2 |
| Technology | 1 |
| United Nations | 1 |
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