In this paper, in order to reduce loss of exergy, some results of theory analyze is obtained base on varying temperature heat source of geothermal heat pump system.

本文针对地热热泵系统的变温热源，从减小可用能损失的角度进行了详尽的理论分析。

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The ground source heat pump mainly utilizes the shallow geothermal energy tor heating or coonng, which is a technology with the advantages of saving energy and protecting environment.

地源热泵技术主要利用浅层地热能为建筑物供暖和制冷，有着节能减排、高效环保等优点。

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For solving defects when solar energy and geothermal-source heat pump are used alone, method of the solar energy - geothermal source hybrid heat pump system is proposed.

为了解决太阳能和土壤源热泵单独应用时存在的缺陷，提出太阳能-土壤源混合式热泵系统的设计方案。

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