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改变位 : 27 phrases in 13 subjects |
| Aviation | 2 |
| Baseball | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| General | 7 |
| Genetics | 1 |
| Hydroelectric power stations | 1 |
| Karate | 2 |
| Metallurgy | 1 |
| Project management | 1 |
| Space | 2 |
| Sports | 1 |
| Technology | 6 |
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