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知識(shí)擴(kuò)展
詞組短語(yǔ) power amplifier功率放大器；operational amplifier運(yùn)算放大器

中文詞源： amplifier
精選例句

常見(jiàn)考點(diǎn)例句：

They ended up as a crisis amplifier .

而它們最終成為了危機(jī)的放大器。

It was enough for the canal to act as an amplifier for every sound in his body .

這已經(jīng)足夠讓半規(guī)管作為體內(nèi)每處聲音的放大器了。

The internet has proved a powerful amplifier of public scepticism in china , especially since twitter-like services began to take off a couple of years ago .

互聯(lián)網(wǎng)這個(gè)有力的擴(kuò)音器將中國(guó)公眾的懷疑之聲迅速傳播擴(kuò)散，尤其是從幾年前twitter一類(lèi)服務(wù)興起開(kāi)始。

Also known as the " little plastic triangle , " it became the first working solid-state amplifier .

這個(gè)又被稱之為“塑料小三角”的裝置成為世界上首個(gè)能夠工作的固態(tài)信號(hào)放大器。

If you only have an old turntable and no amplifier , you will need to amplify the signal using a pre-amplifier before plugging it into the pc sound card .

如果你只有一個(gè)老唱盤(pán)，沒(méi)有放大器，你需要使用前置放大器將信號(hào)放大，然后再將其與電腦聲卡連接。