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- Adjust sound amplification volume to an optimal level by changing the equalizer adjuster (4). 调整扩音货量一个最理想的水平，改变以往均衡器调节（4）。
- Proving a place accommodating 80 to 100 people, sound amplification equipments and microphones. 提供80-100人场地、扩音设备，麦克风；
- Portability between optical devices gives the DSAS owner the luxury of combining the most appropriate optical scope with a sound amplification system best suited for each specific application. 可移植性之间的光学仪器，使地区体育会拥有豪华实际相结合的最恰当的光学范围，以扩音系统最适合每一个具体的应用。
- Yukon's new Directional Sound Amplification System (DSAS) is highly sophisticated professional amplification device designed for enhanced listening and recording of distant and faint sound. 育空地区的新的方向性的扩音系统（员），是高度精密的专业设备的放大设计，为提高听力和录音的遥远和微弱的声音。
- Field Sound Amplification and Live Sound Recording 现场扩音与实况录音
- sound amplification and intercom equipme 扩音对讲装置
- The Interference of Lightening System with Sound Amplification System 灯光照明系统对扩声系统的干扰
- A sound mind is inseparable from a sound body. 健全的精神是与健康的身体是不可分割的。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- He has told a story which sound not objective. 他讲了听起来不真实的一个故事。
- I caught a curious sound in the neighboring room. 我听到隔壁房间里有奇怪的响声。
- I was awakened by the sound of church bells. 我被教堂的钟声吵醒。
- The sound of danger gives wings to his flight. 危险的信号加速了他的逃跑。
- I quivered with fear at the sound. 我听见那种声音就吓得发抖。
- Her mouth open and shut, but no sound come out. 她的嘴张开又闭上了，没有发出声音。
- I have got accustomed to noisy sound. 我已习惯于嘈杂声音。
- The bell gave forth a peasant, lingering sound. 钟奏起了悠扬悦耳的曲调。
- He was a man with a sound constitution. 他是个体质强健的人。
- They have got home safe and sound. 他们已平安到家。
- I heard a faint sound in the distance. 我听到远处有个微弱的声音。
