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| 变化光: 21 phrases in 9 subjects |
| Automobiles | 2 |
| Dermatology | 1 |
| Earth sciences | 1 |
| Electronics | 6 |
| General | 1 |
| Information technology | 1 |
| Project management | 1 |
| Technology | 7 |
| Water resources | 1 |
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