The experimental results during a cooling season indicate that the seasonal cooling performance factor of the system is 9.

经过一个供冷季的实验，该系统的季节供冷系数为9。

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Moreover, some important system performance parameters were obtained, such as the cooling seasonal performance factor and the cold extraction rate per unit depth of borehole.

另外，还获得了一些重要的系统性能参数，如季节供冷系数、单位埋深取冷率。

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Moreover, some important system performance parameters were obtained, such as the cooling seasonal performance factor and the cold extraction rate per unit depth of borehole.

另外，还获得了一些重要的系统性能参数，如季节供冷系数、单位埋深取冷率。

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