集中空调系统冷热源可供选择的方案较多，而反映空调系统冷热源方案优劣的指标是多方面的，因此选择空调系统冷热源方案时，须综合考虑多指标对系统的影响，选择其最优方案。

There are many cool hot source schemes of centralized Air Conditioning systems for selection. The selection is affected by many factors, which should be considered when the best scheme is selected.

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