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一 人 次 : 47 phrases in 14 subjects |
| Agriculture | 1 |
| Aviation | 4 |
| Chemistry | 2 |
| China | 4 |
| Computers | 1 |
| Economy | 5 |
| Electronics | 11 |
| General | 8 |
| Metallurgy | 2 |
| Project management | 1 |
| Securities | 1 |
| Sports | 4 |
| Telecommunications | 2 |
| United Nations | 1 |
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