Wind turbines and solar cells will generate electricity and a rainwater collection system will harvest and purify rain.
风力发电机和太阳能电池可以产生电能，雨水收集系统能够收集并净化雨水。
In the middle of the roof is an air layer which is cooled and cleaned automatically by water spraying system linked to the rainwater collection tank.
屋顶的中部是通风口，通过连接雨水收集池的水喷淋装置自动化控制，实现冷凝和净化。
Overall engineering, rainwater infiltration system, collection and reuse system and etc. are discussed in detail.
从工程总体、雨水入渗系统、收集回用系统几方面进行了详细的技术探讨。
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