luminous radiation

例句：

1. 1. The sun's light is a form of luminous radiation.
   太阳的光是一种发光辐射。
2. 2. Luminous radiation is a type of electromagnetic radiation that can be detected by the human eye.
   发光辐射是一种可以通过人类眼睛检测的电磁辐射类型。
3. 3. The study of luminous radiation has important implications for understanding the behavior of stars and planets.
   对发光辐射的研究对于理解恒星和行星的行为具有重要意义。