Photocells are used in burglar alarms .

光电池用于防盗警报器里。

Electronmultiplier cells are superior to ordinary photocells .

电子倍增管比普通的光电管好。

A series of spectral - response silicon photocells designed for unique product applications .

光电池的响应进行设计独特的产品应用。

With ordinary photocells , one can pick up the frequency between two different lasers .

用普通光电池，人们就能够深测到两个不同的激光之间的拍频。