复数： catchments

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Discussion on water resource crisis in lijiang river catchment .

漓江流域水资源危机探讨。

Lowland ; gently undulating central plateau contains water catchment area and nature preserve .

低地;轻轻起伏的高原包含中央集水区和自然保护区。

Mildew monsoon notices catchment , should not be too wet inside the basin .

霉雨季注重排水,盆内不宜过湿。

Research to underpin sustainable catchment and water resource management .

通过研究来加强可持续发展的汇水区及水资源管理。

Evolutional trend of water resource in liaohe river catchment .

辽河流域水资源演化趋势分析。