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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
% D+ |* P( B7 F) \CLOUD COVER, if heavy can blockmost UV radiation. Thin or brokenclouds allow most UV rays through. ... : _3 T. u3 a! T1 M1 M- 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.4 h, Y- ~( ~4 K2 z
6 e4 D4 f7 T, @) ^2 ^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。
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) A* i1 [( E- D. F# `谢谢,学习了!9 T' t. @: e3 R" R9 ?, J9 [) A
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