根据大型商场中央空调系统运行原理，建立了商场“冷负荷需求模型”，提出了节能设计与节能运行控制策略。

According to the operation-principle of central air-conditioning system, the author built a market's "cooling-load need model" and put forward energy-saving design and operation-control strategy.

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近几年，我国有许多大型舒适性中央空调系统投入运行。

In recent years there are many central air conditioning systems running in our country.

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