When sound frequency increases, the sound absorbent coefficient of porous aluminum alloy increases.
当声波频率增加时，多孔铝合金的吸声系数增大。
Small, low impedance, the high pressure resistance electric capacity, mainly applies to the sound frequency dividing circuit.
小型，低阻抗，高耐压电容，主要应用于音响分频电路。
Extracting the sound frequency features is vital for the noise diagnosis expert system to detect the gear processing error in a transmission.
汽车变速器齿轮制造缺陷声频特征的提取，是汽车变速器噪声故障诊断专家系统准确诊断齿轮制造缺陷的关键。
Umbilical arterial Doppler spectrum were obtained by color Doppler ultrasound, then Doppler signal were transformed into computer through sound frequency, and fractal were calculated.
用彩色多普勒超声检测脐动脉并获得多普勒信号，将此信号以音频形式输入计算机中，对此信号进行处理并计算分数维。
The minimum fluidization velocity has a minimum value when the frequency of sound waves approached 150 Hz, whereas it decreased as the sound pressure level was increased at the same sound frequency.
气泡尺寸和鼓泡频率随声压的增大而减小，随声波频率的增大先减小后增大。
Regular repeating actions such as sound waves, light waves, or radio waves have a certain frequency, or number of waves per second.
有规律的重复活动如声波、光波、无线电波都有一个特定的频率，或者说是每秒的波动次数。
The quicker it vibrates, the greater the frequency of sound it produces.
它振动得越快，发出的声音频率就越高。
Basically, the phenomenon of Standing Waves occurs when sound waves of the same frequency reflect off the walls and meet from opposite directions.
基本上，当相同频率的声波从墙壁上反射并从相反方向相遇，就会出现驻波现象。
A vibration that has a higher or lower frequency than a sound, he found, tends to skew pitch perception up or down.
频率超过或低于声音频率的震动会分别引起音高知觉的上调和下调。
It is the perfect shape for producing a brilliant, expressive and infinitely variable sound in the same frequency range as the human voice.
这种结构是十分完美的，它使得小提琴可以产生美妙的，富有表现力的，以及在人声的频率范围内无限多变的声音。
This chemo process is then horrifyingly spread through a phone virus, that rings cell phones and those on their contact lists, to sound a special frequency, that kills the listeners.
这种化疗过程随后通过一个电话病毒令人恐怖地传播开来，这个病毒使受到感染的手机及其通讯录中的其它手机响起一种特定频率的铃声，可以杀死接听者。
The number of vibrations an object makes while it's making a sound is called its frequency, which is measured in Hertz.
物体发声时振动的次数叫做频率，计量单位是赫兹。
The crystals work by manipulating phonons, or vibrational waves that can carry either sound or heat depending on the frequency.
这些晶体通过对声子进行操控来工作；声子是一种振动波，可以携带声音或热量，具体携带什么则取决于其频率的高低【 译者注：声子是晶体点阵振动能的量子 】。
They work by sending out pulses of high-frequency sound and then interpreting the reflections as images.To do all this, though, you need a device called a transducer.
它们的工作原理是通过发出高频声波脉冲并将反馈的信息转变成图像，为了实现这一过程，你还需要一个叫做变频器的设备。
They work by sending out pulses of high-frequency sound and then interpreting the reflections as images. To do all this, though, you need a device called a transducer.
它们的工作原理是通过发出高频声波脉冲并将反馈的信息转变成图像，为了实现这一过程，你还需要一个叫做变频器的设备。
At ground level, such vibrations-akin to low-frequency sound waves-are very small, only about the size of the vertical motions that produce them.
在地表，这种类似于低频声波的振动非常小，只相当于造成它们的垂直振动的幅度。
Sound card frequency meter source code for on-line collection. when downloading use please respect.
声卡频率计源代码，为网上收集的。下载使用时，请尊重原创作者的版权。
Like light waves, acoustic (sound) waves are characterized by a frequency, wavelength and propagation speed.
声波就和光波一样，是以频率、波长和传播速度为其特征。
The sonic signature needs to keep the treble detail, but increase the frequency spectrum and add a more full sound.
声音特色方面，要保持高音的细节，但增加频响宽度，增加更多的饱满的声音。
Tip: If you boost a certain frequency range on one sound, try to cut that same frequency range on other sounds to improve clarity and avoid clashes.
秘诀：如果你想在某个声响上提升某个频率范围，尝试去到其他声响上切掉异样的频率范围来进步声响的清晰度并且避免冲突。
Auditory fusion frequency (AFF) of impulse sound and paired pitch in 80 workers exposed to noise and 60 non exposed ones were measured to study the relationship between AFF and auditory fatigue.
为探讨闪声融合频率与听觉疲劳的关系，测量了80名接触噪声工人和60名非接触噪声人员的脉冲声和双音调闪声融合频率。
It is the HIGH frequency of sound that does this, besides also the force of her voice that carries the sound faster.
这就是声音的高频率造成的，另外她声音的作用力比普通声音作用得快。
Light waves differ in frequency just as sound waves do.
同声波一样，光波也有不同的频率。
Regularities of pressure on surface with sound pressure level and frequency are also given.
并给出了模型表面压力随声压级及频率变化的规律。
Regularities of pressure on surface with sound pressure level and frequency are also given.
并给出了模型表面压力随声压级及频率变化的规律。
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