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中 到 心 : 29 phrases in 10 subjects |
| Automobiles | 2 |
| Aviation | 2 |
| Business | 2 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 8 |
| Mechanics | 5 |
| Project management | 2 |
| Technology | 5 |
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