The amplifier exploded in a fountain of sparks.

放大器爆炸，喷射出火星。

《牛津词典》

A receiver and amplifier receive the radio waves from the sub reflector, and make these weak radio waves strong enough to be recorded and turned into electronic signals.

接收器和放大器接收来自副反射器的无线电波，并使这些微弱的无线电波强大到足以被记录下来并转化成电子信号。

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The amplifier has a power isolation circuit and bandwidth limiting to reduce oscillations and motorboating.

该放大器具有电源隔离电路和带宽限制，以减少振荡和汽船排气声。

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Another less-than-obvious hardware change is the addition of a feedback amplifier -- possibly something like this chip from NXP -- to the phone's loudspeaker.

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But the search for a suitable solid-state amplifier took a long and roundabout route.

ECONOMIST: The middle age of the transistor

The integrated speaker solution is comprised of two-way active speakers (BeoLab 15), an active subwoofer (BeoLab 16) and a rack-ready amplifier (Amplifier 1)-all created specifically for in-wall or in-ceiling placement.

ENGADGET: Bang & Olufsen launches BeoLab 15 in-wall speakers for stealthier beats (update: ears-on)