“earphone”的概念、定义、翻译、参考文献-科学参考

单词	earphone
释义	earphone [`ir´fōn] ^{ENGINEERING ACOUSTICS} 1. An electroacoustical transducer, such as a telephone receiver or a headphone, actuated by an electrical system and supplying energy to an acoustical system of the ear, the waveform in the acoustical system being substantially the same as in the electrical system. 2. A small, lightweight electroacoustic transducer that fits inside the ear, used chiefly with hearing aids.
随便看	resonance scattering resonance spectrum resonance structure resonance transformer resonance trough resonance vibration resonant antenna resonant capacitor resonant cavity resonant-cavity maser resonant chamber resonant-chamber switch resonant circuit resonant coupling resonant detector resonant diaphragm resonant element resonant frequency resonant gate transistor resonant helix resonant iris resonant jet resonant line resonant-line oscillator resonant-line tuner

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