photocell

• 一种将光或其他辐射转换为电信号的器件，用于探测和测量光及其他辐射。

A transducer used to detect and measure light and other radiations.

1. Light detection deviceC1formalscientific

   A transducer that converts light energy into electrical energy, used to detect and measure light or other electromagnetic radiation.

   光电元件

   • The photocell in the street lamp automatically turns the light on at dusk.
   • Solar panels use photocells to convert sunlight into electricity.
   • The security system uses a photocell to detect movement in the dark.