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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
* Y6 r/ s& C3 `CLOUD COVER, if heavy can blockmost UV radiation. Thin or brokenclouds allow most UV rays through. ... : i: F' e( [; g+ x
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./ R" Z. X2 k5 y3 @% j
: {" i! L7 v$ m& ]0 Y% Y6 G2 R- U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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! ` H3 q# U n2 C# q; t: P ]谢谢,学习了!
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