On the other hand, many think it's the basic physical properties of sound that hold the key to perceiving sounds as appealing or jarring.
另一方面，许多人认为声音的基本的物理属性，是决定听者感知为和谐或不和谐的关键。
Adding a back lining at one side of the porous metal material is an effective and workable way to improve its sound absorption properties.
而在多孔金属材料一侧添加背衬是一种提高吸声性能的有效可行的方法。
This paper derives the best range of thickness of the materials by analyzing the main factors influencing the sound absorption properties of porous metal materials.
通过分析影响多孔金属材料吸声性能的主要因素，推导出材料的最佳厚度范围；
The acoustical properties and specific heat of sample at low temperatures were studied, and the temperature dependences of modulus, sound attenuation and specific heat were obtained.
对其低温的声学和比热容性质进行了研究，得到了样品模量和声衰减以及随温度变化的规律。
As compared with static casting, above mentioned technique can improve yield and mechanical properties of castings significantly and provide sound castings at less cost.
与重力铸造相比，该工艺显著地提高了铸件成品率和机械性能，达到以较少的成本生产出较多优质铸件的目标。
The example given in this paper shows that the method is feasible to calculate the dynamic properties and sound radiation of surface damping-treatment structures.
算例表明，用此方法分析计算表面阻尼处理结构的动态特性和声辐射是可行的。
A method of measuring correlation between signal pulses for the investigation of random time-variant properties of underwater sound channel is presented in this paper.
本文提出一个研究海洋声传输信道随机时变特性的脉间相关法。
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。
The costume and properties are delicate. The music and sound reflect the age. The arrangement of light offers great impact.
化妆、服饰、道具考究而精致，音乐和音响很好地切入了时代环境，光色搭配协调而又给人以强烈冲击。
With the increased airflow and reduced covering, intake noise is usually increased, which may manifest as a sucking sound, and the loss of any silencing properties that the factory intake had.
增加和减少气流覆盖，进气噪声通常是增加，这可能显化成一个声音，造成的损失的性质，该工厂摄入沉默。
The sound absorption properties of foamed aluminum are introduced and the effects of thickness, porosity, compression ratio, air cavity depths on sound absorption property are studied.
介绍了泡沫铝的吸声特性，研究了泡沫铝的厚度、孔隙率、压缩率、空腔对其吸声性能的影响。
The heat conduction mechanism is analyzed inthis paper in terms of sound quantun and photon heat conduction and macroscopic thermal properties.
本文从声子导热、光子导热和宏观热学性质三个方面分析了漂珠轻质砖的导热机理。
The changing of the structure and properties of UHMWPE fibres during super drawing were studied by means of SEM, DSC, WAXD and sound pulsimeter.
还借助扫描电子显微镜（SEM）、热分析（ DSC）、广角X射线衍射（ WAXD）、声速等手段研究了UHMWPE熔纺丝在超拉伸过程中结构性能的变化。
The study about sound absorption properties of product made of synthetic fiber is discussed in this paper.
本文介绍了目前关于合成纤维及其制品声学特性的研究状况。
The aim is to study the effects of dynamic mechanics properties and geometrical parameters of each layer material on the sound absorption properties of the multilayered polymer composites.
研究了多层高分子复合结构在斜入射声波作用下，各层材料动态力学性能参数和几何参数变化对其吸声性能的影响规律。
Based on the masking properties of the psychoacoustic model, we then derive the required sound pressure level of the watermark.
基于心理声学模型的掩蔽特性，可以得出水印被要求的相应的声压级。
Based on analogous Theory, the large sized disk saw machine model is manufactured. The sound and vibration properties of model saw blades are studied systematically and deeply via experiments.
根据相似理论设计制造了大型圆盘锯机模型，通过实验对模型锯片的声振特性进行了系统深入的研究。
Acoustic — studies the physical properties of speech sounds, the way sound travel from the speaker to the hearer.
声学语音学研究语音的物理性质，研究语音从说话者到听话者之间的传播方式。
General properties of galactic shock wave and the influence of the variation of effective sound velocity on the solution of galactic shock wave are discussed also.
本文还讨论了星系激波的一般性质，以及等效声速的变化对星系激波解的影响。
Knowledge of mechanical properties of materials is essential in order to construct a mechanically sound structure such as a bridge on the river.
而研究力学性质其本质上就是为了建造可靠的机械结构——例如河面上的桥。
The system also has properties of simple authorization and sound granularity control under the distributed environment.
本系统还具有分布式环境下授权简单、较好地控制了授权粒度等特点。
Using a tool like the Touch and Talk pen can get children enthusiastic about reading because it USES speech and sound in a fun and interactive way without loosing the tactile properties of a book.
使用洪恩朗读者类的工具可以让孩子对阅读充满热情，因为它采用了一种有趣的说话和发生方式互动，但又不失书籍的感觉。
Foam glass has many fine properties as follows:fire proof, water proof, heat keeping and insulation, sound absorption and so on.
前言：泡沫玻璃具有防火、防水、保温隔热、 吸声等良好性能。
The effect of different vermiculite contents on mecanical, damping and sound-absorption properties of rubber sound-absorption structures was introduced.
就不同蛭石粉含量对橡胶吸声件的力学性能、阻尼性能及吸声性能的影响进行了研究。
This paper deals with a new type damping sound-absorption wedge for ship and its material formulations, damping properties, wedge structure, sound-absorption.
简要介绍了舰艇用新型阻尼吸声尖劈的材料配方、阻尼性能、尖劈结构、吸声性能。
The absorption properties of sound-absorbing material and its location in the room is a very important part of room acoustics study. The study methods are measured in the laboratory.
吸声材料的吸声特性及其在室内的位置布置是室内声学研究的一个非常重要的部分，目前多是在实验室中进行测量研究。
The absorption properties of sound-absorbing material and its location in the room is a very important part of room acoustics study. The study methods are measured in the laboratory.
吸声材料的吸声特性及其在室内的位置布置是室内声学研究的一个非常重要的部分，目前多是在实验室中进行测量研究。
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