求翻译：根据它的特点，土壤源热泵系统有着其的分析模型，在进行设计之前还有一定的计算，注意事项，还必须注意它设计的前期准备等是什么意思？

Ground source heat pump system with its analytical model, based on its characteristics during the design calculation, precautions, you must also pay attention to its design and preparation

Based on its characteristics, soil source heat pump systems with its analysis of the model, there is a definite design before the computing, notes, it is also important to note that the up-front design, including

According to its characteristic, the soil source heat pump system has its analysis model, in carries on before the design also has certain computation, the matters needing attention, but also must pay attention to the earlier period preparation which it designs and so on

According to its characteristics and analysis of ground source heat pump system with its model, before the design there are certain calculations, notes, also must be careful to design it's preparation, such as

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