系统不能精确地匹配输入和输出的情况。电子放大器就是一个非常普通的例子，另外还有家庭立体声音响放大器。
The inability of a system to exactly match input and output, a general example being an electronic amplifier and the classic example being a home stereophonic amplifier.
这位资深工程师所知道的就是两个音响部件之间的连接，两段铜线和一些绝缘介质之间的接收器、混音器、放大器和扬声器。
What the senior engineer knew was the connection between two sound components — such as receiver, mixer, amplifier, and speakers — went beyond two copper wires and some insulation.
这是非常简单的音响系统，转盘，放大器-和扬声器-一成不变的。
It is very simply a hi-fi system - with turntable, amplifier, and speakers - cast in concrete.
本厂的声频功率放大器、播音控制桌椅、调音台、大型音响扩声工程等相关产品在国内久负盛名。
The main products are audio power amplifiers, broadcasting controlled tables, large sound amplifying engineering, which is well know for a long time.
音频功率放大器广泛应用于家庭影院、音响系统、立体声唱机、伺服放大器等电子系统中。
Audio Power amplifier is widely used in high performance audio systems, stereo phonographs, servo amplifiers and instrument systems.
这些线路电平输入相加之前发送到内部放大器允许在低音音响系统操作使用一个低音炮。
These line level inputs are summed before being sent to the internal amplifier allowing the subwoofer to operate in stereo systems using a single subwoofer.
功率放大器在很多领域都得到了应用，比如音响、电动振动试验台等等。
Power amplifier is used in many fields, such as sound amplifier and electric vibration generator.
这就意味着电声音响系统将不用提供更多的增益或者放大器而得到足够的音量。
This means your sound system electronics will not have to provide as much gain or amplification in order to obtain a sufficient volume.
设在一个坚固的钢底盘内，CSA系列放大器为任何永久安装的音响系统提供一个坚固的，具有成本效益的功率放大解决方案。
Housed in a rugged steel chassis, The CSA series amplifiers offer a rugged, cost-effective power solution for any permanently installed sound system.
测谎仪包括计算机主机，受试屏幕与音响的设备，应答按钮，应答麦克风，及脑波电极与前置放大器。
The lie detector includes host computer, testing screen, audio and video instrument, answering button keys, answering microphone, brain wave electrodes and pre-amplifier.
测谎仪包括计算机主机，受试屏幕与音响的设备，应答按钮，应答麦克风，及脑波电极与前置放大器。
The lie detector includes host computer, testing screen, audio and video instrument, answering button keys, answering microphone, brain wave electrodes and pre-amplifier.
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