radiation absorptivity

例句：

1. 1. The new solar panel has a high radiation absorptivity.
   新型太阳能板具有高吸收率。
2. 2. The efficiency of the solar energy conversion system is directly related to its radiation absorptivity.
   太阳能转换系统的效率与其吸收率直接相关。
3. 3.The research on the radiation absorptivity of materials is crucial for improving their performance.
   研究材料吸收率对于提高其性能至关重要。