The louver Windows may be closed if necessary to allow air conditioning, but in practice, air conditioning is rarely required and the breezes move through the house at all times.

当必须打开空调时，百叶窗可以关闭，但实际上几乎不需要开空调，微风每时每刻都会穿过房间。

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Both practice and experimental studies of other scholar prove that proper natural experiment can make people feel more cheerful and healthy than typical air conditioning experiment.

生活实践以及其他学者的研究都证明，适宜的自然环境较常规空调环境更能给人带来愉悦与健康。

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Combining theory with practice, expounds the common issues and handling measures for central air conditioning water system, and provides some practical experience for operating and managing personnel.

依据理论与实践相结合的原则，阐述中央空调水系统的常见问题及其相应处理措施，为维护管理人员提供一些实际经验。

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