visible emissivity

例句：

1. 1.The sun's visible emissivity is a key factor in determining its temperature.
   太阳的可见发射率是决定其温度的关键因素。
2. 2. The scientist measured the visible emissivity of the material to understand its thermal properties.
   科学家测量了材料的可见发射率，以了解其热性质。
3. 3.The study found that the visible emissivity of the atmosphere can affect global climate patterns.
   研究发现大气的可见发射率可以影响全球气候模式。