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1·The changeover efficiency of crystal silicon is tall, usable floor area is small, use in housetop to have an advantage very much.

晶体硅的转换效率高，使用面积小，用在屋顶非常有优势。

2·It is the key for the reduction of construction initial energy use to reduce the embodied energy intensity and quantity in per usable floor area of the main materials.

降低主要建筑材料的内含能量强度值和单位建筑面积内建筑材料的使用量，是降低施工初始能耗的有效途径。

3·Same - sized modules as roof of the hall create a usable terrace area on the third floor.

相同尺寸的模块作为大厅的屋顶，在三楼创建一个可用的露台区域。

4·With the principle of not increasing the floor area, increase the usable area of the interior.

在保证飘窗采光面积并不增加建筑面积的前提下，增加了室内可以使用的面积。