daylight utilization factor采光利用系数
The daylight factor采光系数
indirect daylight factor间接采光系数
recommended daylight factor推荐天然采光系数
Daylight Factor Method采光系数法
distribution of daylight factor采光系数分布
sky component of daylight factor采光系数的天空光分量
standard value of daylight factor采光系数标准值
distribution curve of daylight factor采光系数分布曲线