noun🔗Share超外差接收机，超外差收音机。 Superheterodyne receiver."My grandfather, a ham radio enthusiast, still prefers working with superhets because of their superior sensitivity to weak signals compared to newer receiver designs. "我爷爷是个业余无线电爱好者，他仍然喜欢用超外差收音机，因为相比新的接收机设计，它们对微弱信号的灵敏度更高。electronicstechnologydevicemachinecommunicationsignalfrequencyChat with AIVocabulary GamePractice Reading
