photosynthetic active radiation

例句：

1. 1. The plant's photosynthetic activity isdirectly related to its growth.
   植物的光合作用活动与其生长直接相关。
2. 2. The study ofphotosynthetic active radiation has significantimplications for agriculture.
   光合作用有效辐射的研究对农业具有重要意义。
3. 3. The research on photosynthetic active radiation has led to thedevelopment of new crop varieties.
   关于光合作用有效辐射的研究已经导致了新作物品种的开发。