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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: P7 I: J! I- ~
CLOUD COVER, if heavy can blockmost UV radiation. Thin or brokenclouds allow most UV rays through. ... 8 t1 ]1 f- B: h, T; h
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.7 m5 R! f/ @9 ~ s4 b
, V2 [( Z2 g h" D$ y7 ]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。, @) f: | q3 j6 j3 X
; e) P" C+ D' M; A/ d$ Z谢谢,学习了!
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