Its purpose in life was to be the local oscillator and mixer in AM radios, and a kazillion of them were made to fill that purpose.
它本是被
作调幅收音机中
本振和混频管,并且被
生产出
以实现
途。
Its purpose in life was to be the local oscillator and mixer in AM radios, and a kazillion of them were made to fill that purpose.
它本是被
作调幅收音机中
本振和混频管,并且被
生产出
以实现
途。
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