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我也覺得是太陽高度角.太陽高度等於90度减去緯度差.緯度差:同半球相减,异半球相加.判斷太陽高度角首先看太陽直射哪個半球.比如夏季,太陽直射北回歸線,北回歸線的太陽高度就是90,南回歸線的太陽高度就是,90-(23.26+23.26)=43.48.
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