illuminance calculation照度计算
minimum illuminance最小照度;最低照度
maximum illuminance最大照度
normal illuminance法向照度
illuminance meters照度计;光照度
sky illuminance天空光照度
illuminance distribution照度分布
global illuminance总昼光照度
illuminance value照度值
Usually there is time difference between interior illuminance and exterior illuminance which leads to unnecessary errors in testing.
照度计测定室内外照度经常有时间差,给测试结果带来不必要的误差。
参考来源 - 利用图像数字化处理研究天然采光系数N（名词） the luminous flux incident on unit area of a surface. It is measured in lux 照明 ( symbol: Sometimes called illumination) → compare irradiance