In this paper,we analyzed the duration of different solar height(solar energy) in different season and different latitude in one day.It expanded our view on sunshine discipline,and was instructive to housing construction and differentiation distribution of agriculture.%分析了北半球、四季的不同太阳高度(太阳能)分别占了一天的多少时间。扩展了我们对日光规律的认识角度,对农业区域差异化分布和住房建设均有指导意义。
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