photoemissivity

例句：

1. 1. The solar panel's efficiency is directly related to its photoemissivity.
   太阳能电池板的效率与其光发射率直接相关。
2. 2. The study of photoemissivity is crucial for understanding the behavior of light in space.
   研究光发射率对于理解光在太空中的行为至关重要。
3. 3. The new technology has improved the photoemissivity of solar cells significantly.
   这项新技术显著提高了太阳能电池的光发射率。