Snow and ice reflect from 40% to 90% while dark surfaces such as parking lots or plowed fields reflect only 10 to 15% of the incident radiation.
这里incident是什么意思？
參考答案:incident radiation入射的辐射线
Snow and ice reflect from 40% to 90% while dark surfaces such as parking lots or plowed fields reflect only 10 to 15% of the incident radiation.
这里incident是什么意思？
參考答案:incident radiation入射的辐射线