1. Photobiologic studies have shown the harmful effects of UV radiation on the skin.
光生物学研究已经表明了紫外线辐射对皮肤的有害影响。

2. The photobiologic response of plants to different light wavelengths is still a topic of research.
植物对不同光波长的光生物学反应仍然是一个研究课题。