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检索词:
Resources development conservation
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- conservation of natural resources (2)
- natural resources (2)
- sustainable development (2)
- african highlands initiative (1)
- ecosystem management (1)
- renewable natural resources (1)
- upland conservation (1)
- watershed management (1)
- 期刊 (1)
- 资源保护 (1)
- 资源开发 (1)
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