field-effect device

例句：

1. 1. The field-effect transistor is used in many electronic devices.
   场效应晶体管被广泛应用于许多电子设备中。
2. 2.The field-effect amplifier is essential for transmitting signals over long distances.
   场效应放大器对于在长距离上传输信号至关重要。
3. 3. In the field of electronics, there are various types of field-effect devices.
   在电子领域，存在多种类型的场效应器件。