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.
而本文为了利用现代城市的河流等水资源，对使用水源辅助散热的复合地源热泵系统进行了研究。
In order to using the river resources in modern city, the HyGSHPs with supplemental heat rejecter using water is researched in this paper.
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