Lighting effect reduced as surface curve radian increased.While changes were so slight that it could be ignored, sun-light incidence rate was less than 3%.

• 从中得到的结论是：温室采光随采光屋面弧度的加大，采光效果变差，但这种变化幅度是相当小的，太阳光入射率最多不会超过3%25,在温室设计中可以不予考虑。