海拔高度：海拔高度每升高1000米，紫外线辐射强度增加约5%。

Altitude: UV levels increase by about 5% with every 1000 metres altitude.

youdao

海拔高度：海拔高度每升高1000米，紫外线辐射强度增加约5%。

Altitude: UV levels increase by about 5% with every 1000 metres altitude.

youdao