在晶体管(transistor)发明以前，三极检波管是所有收音机、电话、电视机和计算机系统的基本组件。
The Audion became the key component of all radio, telephone, radar, television, and computer systems before the invention of the transistor.
在晶体管(transistor)发明以前，三极检波管是所有收音机、电话、电视机和计算机系统的基本组件。
The Audion became the key component of all radio, telephone, radar, television, and computer systems before the invention of the transistor.
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