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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
- water resources development (44)
- water-supply (24)
- management (12)
- government policy (10)
- 研究 (9)
- sustainable development (7)
- environmental aspects (6)
- water (6)
- 水资源利用 (6)
- purification (5)
- economic aspects (4)
- hydrology (3)
- international cooperation (3)
- law and legislation (3)
- political aspects (3)
- 可持续性发展 (3)
- 水资源 (3)
- 水资源开发 (3)
- 水资源管理 (3)
- 资源开发 (3)
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