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闭 包 : 50 phrases in 11 subjects |
| Animal husbandry | 1 |
| Business | 1 |
| Commerce | 2 |
| Dermatology | 1 |
| Economy | 1 |
| General | 1 |
| Information technology | 3 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Technology | 32 |
| Telecommunications | 6 |
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