Does the sound wave screen need to be often cleaned?
表面声波屏需要经常清洁吗？
The voltage in the signal varies in direct proportion to the sound wave.
信号中的电压按声波比例变化。
The frequency of the sound wave is controlled by the feedback signal of the system.
声光晶体由行波场驱动，声场频率则由系统的反馈讯号控制。
Clouds after another, the sound wave Buddha, give people the impression that time had passed slowly.
白云朵朵，佛音袅袅，让人感觉时间变得柔软和静谧。
The plane wave error is always negative windage, when the sound wave is the cycle function of space and time.
当声波是空间位置和时间的周期函数时，平面波误差项永远是一负偏差项。
When the object underwater reflects the sound wave, we can clearly see its shape in the form of a 3-dimensional image.
当水下物体反射声波时，我们可以清楚地看到它的三维图像。
The real characteristics and the example of taking over the sound wave have validated the practicability of the sensor.
实测特性和放电声发射波接收实例验证了传感器的实用性。
The inner ear (cochlea) analyzes the sound wave and provides the brain with detailed information on the different sounds.
内耳(耳蜗)分析声波并将不同声音的详细信息提供给大脑。
The sound wave energy is used in the amplifying system, and the stochastic human-machine interaction control function is realized.
提出了在扩声系统中利用声波能实现随机人机互动控制功能的方法。
The mechanism of ultrasonic bleaching is attributed to ultrasonic cavitation, mechanical effect and thermal effect of the sound wave.
超声波漂白机理基于它的空穴效应、机械运动以及热效应。
The structure of the sound-absorption material increases the contact area with the sound wave, thereby having better sound-absorption effect.
吸音材料的结 构使得它与声波的接触面积增大，具有更好的吸音效果。
Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.
声强就是声场中的声波强度，它等于通过与能流方向垂直的单位面积上的声能量。
Still having a kind of different software is launch frequency to arrive in 200 hertz through letting computer the sound wave of 600 hertz, drive mosquito.
还有一种不同的软件是通过让电脑发射频率在200赫兹到600赫兹的声波，驱赶蚊子。
The use of intelligent filter wave line technology is available to discern the sound wave period and to calculate the delay time under the strong disturbance.
采用智能滤波线技术，有利于计算机识别较强干扰下声波波形周期，并计算时间延迟。
Marine sediment is the reflecting boundary of the shallow sea, and the sound wave in the wave-guide of the shallow sea is greatly influenced by the Marine sediment.
海底沉积物作为声在浅海中传播的下边界，不同底质的海底对声波在波导中的传播具有重要的影响。
Also the correlation relations among the characteristic values of the sound wave forms, sensory judgement values and some values of physical properties were analysed.
对打击音波特性值和感官评价值及基础特性之间的相关性进行了分析。
Sound may be assessed after measurement of an appropriate physical quantity that varies about an equilibrium position as the sound wave or vibration passes the measuring point.
声波或则叫震动通过测量点时会有一个平衡位置，声音的理特质近似地围绕着它上下波动，通过测量波动可以评估出声音大小。
"It's like a sponge - the gas sucks up heat in one location and then gets transported by the sound wave to another location where the heat gets squeezed out of the gas," he says.
“它就像一块海绵————气体中一处吸收热量然后通过声波传到另一处并把热量排出。”他说。
The time scale is obtained through the self correlation coefficient of the sound wave. It is clear that the time scale is inverse ratio to the jet velocity under the same gas velocity.
通过自相关系数测量火焰涡团的特征反应时间，结果表明：相同的燃气流量下，特征反应时间与射流速度成反比；
The transducer sends a sound wave signal and determines the distance by measuring the time between the transmission of the sound wave and when the sound wave is reflected off an object.
该传感器发出的声波信号，并决定通过测量之间的声波传输和时间的距离时，声波反射的对象。
Bad debts, risks lurking off the balance sheet, and a wave of potential takeovers of weak Banks all sound distant.
坏账，潜伏在资产负债表里的风险，潜在的收购小银行浪潮听起来似乎都很遥远。
But the microphone and chip in the device sample the incoming sound and produce an inverted wave that cancels out just the sound of the drill.
但是装置里的麦克风和芯片从传入的声音中采样，并且产生抵消牙钻声的反向波。
The WMAP team used computer programs to find the proportion of wave sizes generating the sound spectrum, just as a prism converts light wavelengths to color.
威尔金森微波各向异性小组运用计算机程序去发现产生声谱的微波大小的比例，正象棱镜转换波长到颜色。
The energy from these atmospheric waves, like the energy from a sound wave, propagates both horizontally and vertically.
这些大气波动携带的能量像声波那样在水平方向和垂直方向上进行传播。
Investors are recognizing social networking as the next major wave of Internet companies, he says. he also notes that one no longer rings the NYSE bell, one pushes a button that makes a bell sound.
他表示，投资者正把社交网络公司看作新一波重量级弄潮儿他还提到，现在纽交所开市钟不用真的去“敲响”了，而是按下一个按钮让开市钟自动发声。
It produces an inverted sound wave to cancel out unwanted noise in the headphone signal.
随后它便产生逆向声波从而消除耳机信号中不需要的噪声。
The precedence effect (or "law of first wave front") is our brain's ability to determine the location of sounds amidst conflicting signals based on the direction of the first waves of sound.
优先权效果(或者“第一声波靠前定律”)是我们的大脑基于第一声波位置在相互冲突的各种信号中判定声音位置的能力。
They probably realized that sound was a wave propagating through the air and may have had a notion of the compressibility of air during sound propagation.
他们可能意识到声音是通过空气传播的波，并可能有声音传播时空气压缩的概念。
When a sound wave strikes the spheres at one end of the acoustic lens, the sound gets converted into a type of shock wave known as a solitary wave.
当把声波打击在声透镜一端的球体上时，声波就会转换成称为孤波的某种类型的冲击波。
When a sound wave strikes the spheres at one end of the acoustic lens, the sound gets converted into a type of shock wave known as a solitary wave.
当把声波打击在声透镜一端的球体上时，声波就会转换成称为孤波的某种类型的冲击波。
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