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1·Heilonggang area have solor radiation resource and climate condition that adapted to cotton cultivation.

黑龙港地区有丰富的日照资源和气候条件，适于棉花栽培。

2·The design and the application of the type of solor energy hot water system on roof of low buildings were elaborated, and the design and the application of floor radiation heating were also described.

介绍了分体式太阳能热水采暖技术的组成、工作原理及运行，详细阐述了分体式太阳能热水系统的设计和在中低层建筑屋面中的应用，同时也阐述了地板辐射采暖的设计和应用，为人们进行节能建筑设计给予启迪和参考。