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对二氨二苯 : 47 phrases in 12 subjects |
| Agriculture | 3 |
| Chemistry | 10 |
| Dermatology | 1 |
| Electronics | 1 |
| General | 8 |
| Pharmacology | 7 |
| Polymers | 2 |
| Space | 3 |
| Technology | 1 |
| Textile industry | 1 |
| United Nations | 2 |
| Water resources | 8 |
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