The water resources system of basin is the complex system of human and natural water circulation, and dual complex character becomes the intrinsic property of water circulation.
流域水资源系统是自然和人工水循环的复合系统，二元复合特性成为水循环的固有属性。
The water resources system of basin is the complex system of human and natural water circulation, and dual complex character becomes the intrinsic property of water circulation.
流域水资源系统是自然和人工水循环的复合系统，二元复合特性成为水循环的固有属性。
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