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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
* ]2 d+ ~! Q8 g' P& `2 UCLOUD COVER, if heavy can blockmost UV radiation. Thin or brokenclouds allow most UV rays through. ... : X, z* x$ O" ~( N* f5 b- d( `
CLOUD 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.6 c' w8 b' u1 x
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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。3 G z- j- n4 x0 Q$ X
0 a& f/ j$ N/ q* R3 b- {5 O谢谢,学习了!% G# z) b, W1 t
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