求翻译：而土壤源热泵作为热泵的其中一种，在实际生活中也得到了广泛的应用。文章首先对土壤源热泵的工作原理并结合图例展开论述；接着文章对土壤源热泵中的关键技术做了一个简述；再次是结合工程实例（北京市某高档公寓的热泵系统）对土壤源热泵做了经济性分析；再者是土壤源目前的应用状况及未来展望；最后是针对土壤源热泵的性能做了一个总结。是什么意思？

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