“二极管”造句

单支红色发光二极管表示电源已接通。
A single red LED shows that the power is switched on.

按这种方式使用的二极管叫做整流管.
A diode used in this manner is called a rectifier.

二极管早已作为常规器件应用于多种电路中.
The diode is used routinely in many kinds of electronic circuits.