下图为270n某山地l月5个不同坡度r值随坡�变化曲线r为起伏地形下太阳辐 射与水平面太阳辐射之比其中坡�从正北开始顺时针方�度量即 Template




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tomski下图为270n某山地l月5个不同坡度r值随坡�变化曲线r为起伏地形下太阳辐 射与水平面太阳辐射之比其中坡�从正北开始顺时针方�度量即 coloring