It sports lighting effects, a 3.5mm audio jack and dedicated multimedia keys.
它具备照明快捷键，一个3.5毫米音频插孔和专用多媒体按键。
The structure and management method of the database for audio, system model, function and the keys to implement are introduced.
主要介绍它的声音数据库的组织与管理方法，以及系统的模型、组成、功能和实现中的一些要点。
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。
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