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| 反应 中 心: 30 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 3 |
| Chemistry | 3 |
| Earth sciences | 3 |
| Electronics | 5 |
| General | 7 |
| Life sciences | 1 |
| Plastics | 1 |
| Polymers | 1 |
| Technology | 5 |
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