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- On dictation equipment, a device that, when brought into contact or near contact with the recording medium, causes voice or other sound impulses to is recorded. 口述记录设备上的一种装置，当它接触或接近记录媒体时，就使话音或其它声音脉冲被记录下来。
- A Method to Develop a Digitally-controlled Sound Impulse Generator 一种波形可控的脉冲声源研制
- On dictation equipment,a device that,when brought into contact or near contact with the recording medium,causes voice or other sound impulses to is recorded. 口述记录设备上的一种装置，当它接触或接近记录媒体时，就使话音或其它声音脉冲被记录下来。
- On dictation equipment, a device that, when brought into contact or near contact with the recording medium, causes voice or other sound impulses already recorded to be reproduced. 口述记录设备上的一种器件,当记录带与其接触或几乎触到时,能使记录的声音或音响脉冲回放出来。
- 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。
- The explosion gave forth a tremendous sound. 爆炸发出巨大的声响。
- The sound of the cheering faded away. 欢呼声在逐渐消失。
- She is enamoured of the sound of her own voice. 她陶醉于自己的嗓音。
