这些（噪音）可以是穿透教室建筑结构的室外活动声、教学活动的声音以及室内产生的其它各种声响，这些声音都会因为房间的回声效果而被放大。
These levels come from outside activities that penetrate the classroom structure, from teaching activities, and other noise generated inside, which can be exacerbated by room reverberation.
他们挤在高层住宅里，又长又直的街道能起到传声效果。
They live in high-rise blocks of flats on long, straight streets which channel the sound.
无声的黑白电影突然间披上了艳丽的色彩，发出了鲜活的声效和人声。
Films that had been silent and colourless suddenly gained vibrant hues, sound effects and speech.
在战场吃狂暴现在没有声效。
The Berserking power-up found in Battlegrounds makes no sound when acquired.
用数值方法研究了双稳随机动力系统的信号调制噪声效应。
We study numerically the effect of signal modulating noise in bistable stochastic dynamical systems.
经过位置优化，在不同扰动频率下都可得到良好的消声效果。
After optimization of the placement, good effect of noise reduction is obtained at different disturbing frequencies.
并对消声器进行了优化设计，优化后消声器消声效果明显提高。
With the optimum design, the performance of the silencer is improved.
音频合声滤波器采用一个音频剪辑并处理它，创建一个合声效果。
The Audio chorus Filter takes an Audio Clip and processes it creating a chorus effect.
粉煤灰光声效应的产生源于粉煤灰材料对入射调制光能量的吸收。
The photo-acoustic effect results from the absorption of modulated light energy.
该传感器利用磁致伸缩效应和超声效应二者的结合达到位移测量目的。
The transducer utilizes a combination of magnetostriction effect and ultrasonic effect for the displacement measuring.
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。
Objective To observe the sound attenuation effect of several kinds of hearing protectors (earplugs and earmuffs) in an infrasound generator sound field.
克林特·伊斯特伍德不怎么懂音乐，好像也不怎么相信音乐的作用，而更看重声效。
Clint Eastwood "didn't much understand music", didn't seem to trust it, and preferred sound effects.
如能把所有扬声器都设定与听者呈相等距离时，便可获得较佳的环绕声效果。
Better surround effect will result if all speakers are set at the same distance from the listening position.
以有趣的声效和图画呈现的无挫折加法练习，非常适合五岁到八岁的小朋友。
With intuitive user interface with interesting sound effects and pictures, kids between the age of 5 to 8 can learn basic addition with fun.
结果表明，该方法简单有效，尤其对于高频噪声效果更优，且适于实际应用。
The results indicate that this method is simple, effective, especially for removing high-frequency noise and it is suitable for application.
实验结果表明，该方法具有良好的抑制相干斑噪声效果和较强的边缘保持能力。
Experimental results show that the proposed method can suppress speckle and preserve edges better.
此类结构具有减轻自重、增加楼板刚度、提高隔声效果和降低结构造价等优点。
This structure has the advantages of lightening self-weight, strengthening floor slab rigidity, improving sound insulation and reducing structure cost.
热声发动机利用热声效应把热能转化为声功，系统中不存在任何机械运动部件。
A thermoacoustic engine converts thermal energy into acoustic power by thermoacoustic effect without any mechanical moving parts.
了解电声器件的相位特性对有源消声控制器的设计及消声效果分析具有重要作用。
It is important to understand the phase characteristics of electro-acoustic device for the design and effect analysis of active noise cancellation controller.
以固体光声效应的RG理论为依据，用光声法测量了压电陶瓷材料PZT的热参量。
According to the RG theory of the photoacoustic effect with solids, the thermal parameters of PZT ceramic material have been measured by using photoacoustic method.
不仅环绕整个剧院的喇叭提供环绕声效，屏幕后面的喇叭同时也为电影中的虚拟世界添加了声音。
Not only do speakers around the theater provide surround sound effects, but speakers behind the screen can pinpoint sounds into the visual world of the movie.
纤维细度变细，可在一定程度上提高材料吸声效果，但对材料的隔声量影响不明显。
To a certain extent, the finer fiber fineness, the better sound absorption, and doesn't effect obviously on the sound insulation.
磁致伸缩换能器驱动热声制冷机是以声能作为动力源，利用热声效应获得制冷的装置。
The thermoacoustic refrigerator driven by the magnetostrictive transducer takes advantage of thermoacoustic effect to obtain refrigeration.
理论分析和实验测量都已表明，渐变内插管结构具有较好的消声效果和较小的流阻损失。
It shows that the gradual change structure can offer better sound reduction and smaller flow loss.
在澄清嗓音源概念的基础上提出了一种以嗓音源变换函数为基础的声门发声效率估计方法。
This investigation was designed to approach a novel estimation method of glottal vocal efficiency(GVE) based on conversion function of voice source.
在澄清嗓音源概念的基础上提出了一种以嗓音源变换函数为基础的声门发声效率估计方法。
This investigation was designed to approach a novel estimation method of glottal vocal efficiency(GVE) based on conversion function of voice source.
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