定义了照度矩阵、平均照度矩阵、均差照度矩阵和参照度矩阵，并阐述了照度矩阵来计算照度的方法。
It defines illuminance matrix, average illuminance matrix and deviation illuminance matrix, and a method of computing illuminance based on illuminance matrix is explained.
照明系统中离地1米处的照度设计如下，厂房内灯具高度为10米。(平均)。
Following lighting levels planned at 1m from the ground, the height of the light in factory is 10m. (Average).
再利用地面温度、气温、水汽压和总云量，计算得出福建省各地的地面有效辐射的月、年平均辐照度。
The ground effective radiations are calculated based on the ground temperature. air temperature. water vapour pressure and total cloud cover.
卫星图像波段平均太阳辐照度是计算表观反射率的重要参数。
Mean solar spectral irradiance of satellite is an important parameter for the computation of appearance reflectance.
卫星图像波段平均太阳辐照度是计算表观反射率的重要参数。
Mean solar spectral irradiance of satellite is an important parameter for the computation of appearance reflectance.
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