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反 作用 反应 : 23 phrases in 10 subjects |
| Agriculture | 3 |
| Earth sciences | 1 |
| Electronics | 3 |
| General | 5 |
| Nuclear physics | 1 |
| Reproductive biology | 2 |
| Shipbuilding | 1 |
| Sports | 1 |
| Technology | 5 |
| Water resources | 1 |
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