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| contributory area | |||
| contributing region | |||
| catchment area; donor region; watershed | |||
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| zone of contribution | |||
| 水 源区: 46 phrases in 12 subjects |
| China | 1 |
| Desert science | 2 |
| Earth sciences | 5 |
| Ecology | 2 |
| Hydroelectric power stations | 2 |
| Hydrology | 5 |
| Name of organization | 1 |
| Nuclear and fusion power | 1 |
| Rail transport | 4 |
| Technology | 14 |
| United Nations | 3 |
| Water resources | 6 |
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