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
来是被用作调幅收音机中的振和混频管，并且被
量的生产出来以实现这个用途。
]机振荡器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.
它来是被用作调幅收音机中的振和混频管，并且被量的生产出来以实现这个用途。
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，
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