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活 化法 : 55 phrases in 12 subjects |
| Agriculture | 2 |
| Chemistry | 2 |
| China | 1 |
| Earth sciences | 2 |
| Ecology | 4 |
| Electronics | 5 |
| Metallurgy | 4 |
| Oil / petroleum | 5 |
| Space | 1 |
| Technology | 22 |
| Textile industry | 1 |
| Water resources | 6 |
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