扬声器

Banana plug-compatible speaker terminals grace the amplifier outputs, facilitating the use of audiophile-quality speaker cables.

香蕉插头兼容扬声器终端宽限期放大器，促进利用高保真品质扬声器电缆。

The loudspeakers blared the speech repeatedly.

扬声器里反复大声地播送那篇演讲。

His cockpit speakers crackled. "There isn't a droid made that can outfly you, Master."

他座舱内扬声器发一阵噼声：“没有一个机器人飞行本领能赶得上您，师父。”

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---一个放大器，一个晶体管---一个可变电阻电容器---一个扬声器或射极装置。