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| 生产要素的利用 | |||
| 要素的利用 | |||
| factor use: 26 phrases in 14 subjects |
| Agriculture | 1 |
| Animal husbandry | 4 |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 3 |
| Commerce | 2 |
| Desert science | 2 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Pharmacology | 2 |
| Technology | 2 |
| United Nations | 3 |
| Water resources | 1 |
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