rectifier photocell

例句：

1. 1.This is a rectifier photocell used to detect the presence of light.
   这是一种用来检测光线存在的整流器光电管。
2. 2.The rectifier photocell was designed to improve the accuracy of the measurement system.
   这个整流器光电管被设计来提高测量系统的精度。
3. 3. The rectifier photocell was used in the early days of television to convert electrical signals into visible images.
   在电视的早期，整流器光电管被用来将电信号转换为可见图像。