amplifier

名词放大器; 扩音器; 扩大的人; 详述者

1. 放大器：放大器:(amplifier)用以实现信号放大的电路. 滤波器:(filter)通过有用频率信号抑制无用频率信号的部件或设备衰减器:(attenuator) 在相当宽的频段范围内一种相移为零、其衰减和特性阻抗均为与频率无关的常数的、由电阻元件组成的四端天 线:(antenna)是将高频电流或波导形式的能量变换成电磁波并向规定方向发射出去或把来自一

2. 扩音器：扩音器(Amplifier),又叫做电子扩音器,通常被用于广播和电视的发射和接收过程,高保真(hi-fi)立体设备,微型计算机及其它电子数字设备,吉他和其它仪器扩音器.

3. 扩大器：目前看来最有潜力的两个范畴:一是可整合硬体、软体与基础建设的光纤系统与主干(backbone)提供者;另一个是关键光纤元件,如路由器(router)与扩大器(amplifier).

4. 增幅器：再放出来给李四听;或对电话送话器说了,使电流控制一摆动发生器(Oscillationgenerator)送出电波到天空中,用无线电电波做媒介物,使李四用侦波器(Detector)增幅器(Amplifier)听筒等来听;还可以用一根管子或一根线接连二个喇叭,

1. 扩音器；扬声器；喇叭
    An amplifier is an electronic device in a radio or stereo system which causes sounds or signals to get louder.

1. It is actually the foremost source and amplifier of dissatisfaction in society.

2. In most recent cases of mass protests, distrust of local authorities turned out to be a powerful amplifier of public indignation.

3. But somehow the potential risks have never been heeded, until the Internet proved itself a powerful amplifier of public discontent.

4. amplifier

4. The iCon Bed from Hollandia has a headboard equipped with speakers, an amplifier and docking stations for two iPads.

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