单词 | 增幅 |
释义 | 〔preamplifier〕An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.前置放大器:电子线路或装置,用来探测并加强无线电接收机所发出的微弱信号,从而使其达到更加有力的增幅程度〔resonant〕resonant amplification.共振导致的增幅 |
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