preamplifier
preamplifier汉语翻译
【计】 前置放大器
【化】 前置放大器
preamplifier详细解释
pre.am.pli.fi.er
n.(名词)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