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 circuit...

“二极管”的拼音为：èr jí guǎn...

“二极管”的英语可以翻译为：[电子] diode，two-electrode valve，diode...