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发表于 2020-3-15 15:34:05
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zwyi 发表于 2020-3-15 10:32
- n3 j/ U' K! oCLOUD COVER, if heavy can blockmost UV radiation. Thin or brokenclouds allow most UV rays through. ...
) I8 ], y V0 x) Y7 fCLOUD COVER, if heavy can blockmost UV radiation. Thin or brokenclouds allow most UV rays through. Puffy, fair weather clouds deflectrays and can increase UV radiationreaching the surface.
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2 T, E- c0 F& W/ V厚云遮挡大部分紫外线;薄云则大部分紫外线都能穿透过去。而晴天里蓬松的云会折射紫外线,增加到达地面的辐射量。; s; v) a+ F h# Q1 o
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谢谢,学习了!; k& { ^- h; K( L$ h, \' i5 J) O) R
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