今天在各种类型的电子设备中，晶体管都发挥许多不同的作用。

Today transistors perform many different functions in nearly every type of electronic equipment.

youdao

今天在各种类型的电子设备中，晶体管都发挥许多不同的作用。

Today transistors perform many different functions in nearly every type of electronic equipment.

youdao