Objective To observe the sound attenuation effect of several kinds of hearing protectors (earplugs and earmuffs) in an infrasound generator sound field.
目的观察几种护耳器（耳塞、耳罩）对次声发生器次声场的隔声效果。
There's a pattern generator in our brain that produces this sound.
我们的大脑中存在一种产生笑这种声音的模式发生器。
An applause device (10) including a sound generator capable of generating at least one applause sound.
一种欢呼装置(10)，其包括能产生至少一种欢呼声音的声音发生器。
As a special hydrodynamic sound generator, ultrasonic siren has applicative effects on viscosity reduction, scale removal on electric pump well.
作为一种特殊的流体动力式声波发生器，超声旋笛在电泵井防垢降粘方面有着显著的使用效果。
Sound card oscilloscope software oscilloscope, signal generator, frequency meter, multimeter functions in the audio range can completely replace the equipment.
声卡示波器软件实现了示波器，信号发生器，频率计，万用表的功能，在音频范围内可完全替代上述仪器。
It means the generator voltage is too high if the sound of electrical horn is sharp or the lamp is too bright.
若电喇叭发出尖叫声或车灯很亮，则说明发电机电压过高。
What we can see here is the metal sheet, this time connected to a sound driver, and being fed by a frequency generator.
在这里所看到的是金属板，这次是连接到一个声音驱动装置，由频率产生器送出振动。
Delphi has developed a sound generator for electric and hybrid vehicles. The system will be introduced in the European market in 2012.
德尔福公司已经为电动车和混合动力汽车研发了一种发声器系统。该系统将于2012年投放到欧洲市场。
Including the principles and the source design, a method of digitally-controlled sound impulse generator is introduced.
研究了一种可控脉冲声生成技术，介绍了声源设计方案以及脉冲声工作生成的主要原理。
Power amplifier is used in many fields, such as sound amplifier and electric vibration generator.
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。
This paper introduces the function mechanism of Pohlmann sound generator on scale removal, and some experimental researches have been done.
本文介绍了帕尔曼声波发生器在声波除垢方面的机理，开展了相关的实验研究。
The utility model relates to the field of generator set, in particular to a wiring groove for a generator with a sound-attenuating cabinet;
本实用新型涉及发电机设备领域，特指静音箱发电机的接线槽；
The sound reduction hood is mainly used in gas turbine, steam turbine, air separation plant, air compressor, generator set and other large-scale equipment for noise control.
主要用于燃气轮机、蒸汽透平机、空分设备、空压设备、发电机组等大型设备的噪声治理。
The sound reduction hood is mainly used in gas turbine, steam turbine, air separation plant, air compressor, generator set and other large-scale equipment for noise control.
主要用于燃气轮机、蒸汽透平机、空分设备、空压设备、发电机组等大型设备的噪声治理。
应用推荐