photoelectric absolute magnitude

例句：

1. 1. The photoelectric sensor is used to detect the presence of light in the environment.
   光电传感器用于探测环境中的光。
2. 2. The photoelectric effect is a fundamental principle of electronics.
   光电效应是电子学的基本原理。
3. 3. The photoelectric cell converts light into electrical signals, which can be used for various applications.
   光电电池将光转换为电信号，可以用于各种应用。