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| 质 元素: 32 phrases in 13 subjects |
| Agriculture | 7 |
| Animal husbandry | 2 |
| Aviation | 2 |
| Biotechnology | 1 |
| Chemistry | 1 |
| Earth sciences | 3 |
| Engineering geology | 1 |
| General | 2 |
| Genetics | 1 |
| Life sciences | 2 |
| Metallurgy | 5 |
| Steel production | 1 |
| Technology | 4 |
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