【摘 要】
：
The photosynthetically active radiation energy of the direct solar radiation,of diffused radiation and of global radiation were measured,and their diurnal variations,seasonal variations,regional diffe
【出 处】
：
The Journal of Hinese Geography
论文部分内容阅读
The photosynthetically active radiation energy of the direct solar radiation,of diffused radiation and of global radiation were measured,and their diurnal variations,seasonal variations,regional differences and the impacts of meteorological factors on
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