片语

sound d absorption block吸声砌块

sound-absorption property吸声性能

sound power absorption coefficient声功率吸收系数

sound-absorption coatings混凝土涂装

sound-absorption requirement吸音要求

sound d absorption声吸收

sound d absorption coefficient吸声率

sound-absorption volute吸声蜗壳

英汉例句

• the results validate that the material with cavity at its back can effectively increase the sound absorption properties of materials.

  结果验证了材料背后留有空腔，能有效地提高材料的吸声性能。

• a novel sound absorption technology, semi-passive piezoelectric sound absorption, is presented and its performance is analyzed used electrical equivalent model in this paper.

  提出了一种吸声新技术——半被动压电吸声技术，并对其进行了等效电路模型分析。

• testing and investigation of sound absorption coefficient and sound attenuation show sound-absorbing wool materials have excellent sound absorption properties.

  通过对羊毛吸声材料的吸声系数与声衰减能力的测试，发现其吸声性能优良。

• this paper aims to develop sound absorption and insulation real-time measurement system based on impedance tube, which will be applied in measurement in situ and product line.

  本文旨在开发阻抗管吸声与隔声实时测量系统，使之在能够应用于生产线测量与现场测量。

• an adaptive control approach applied to practical active sound absorption systems is presented.

  研究了实际系统中有源声吸收自适应控制方案。

• the paper chooses the appropriate muffler, and experiments with the capability of sound absorption material, and designs the dustproof project.

  本文通过选择合适的消声器以及吸声材料实验和防尘方案的设计。

• methods use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.

  采用驻波管法测量了多种粮食的吸声系数。

• 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 sound absorption guiding cone is made of foam material, which can reduce the secondary noise and guide the flow.

  吸声导流锥是利用泡沫塑料作吸声体，降低二次噪声，并有导流作用。

• this dissertation does deep research in sound absorption performance of mr from theory and experiment aspects and indicates the sound absorption and noise reduction property of mr.

  本文的研究揭示了金属橡胶材料的吸声降噪性能，对金属橡胶材料吸声特性进行了深入的理论和试验研究。

• according to the comparison of back linings with air or without air, we studied its effect on the sound absorption properties of porous metal materials.

  进一步针对有无空气背衬的比较，分析其对多孔金材料吸声性能的影响。

• 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。

• when the non-homogenous layer is divided, the sound absorption performance of the structures is increased in low frequency.

  结果表明，对非均匀层进行分层后，结构在低频时的吸声性能有所提高。

• the results show that the appropriate combination of sound absorption materials and sound absorption structures can improve the sound absorption effect, and the absorption broadband is widened.

  结果表明，吸声材料与吸声结构的有机结合显着提高了结构的吸声效果，拓宽了吸声频带宽度。

• sound absorption and insulation is the acoustical characteristic of material. measurement of sound absorption and insulation has an important significance in noise control and acoustical design.

  吸声与隔声是材料的声学特性，吸声与隔声测量对噪声控制与声学设计具有重要意义。

• in the measurement of sound absorption coefficient in random incidence and determination of sound power levels of noise sources, the reverberation room is used very extensively.

  混响室是声学专业的实验室用房，它在测量声波无规入射时材料的吸声系数和测量噪声源的声功率级中得到了广泛应用。

• a three-dimensional transfer matrix model was presented to simulate the sound absorption coefficients of the graded polyurethanes based on relation of stress and strain of polymers.

  根据高分子材料中三维应力应变关系建立了三维传递矩阵数学模型，模拟梯度聚氨酯在不同入射角下的吸声性能。

• its good characteristics include low cost high durability and good property of sound absorption .

  它具有成本低、耐久性高、吸声性能好的特点。

• sound absorption by cavity resonance is an effective solution to solve the low-frequency anechoic problem.

  利用空腔共振时的吸收是解决低频吸声问题的一种有效途径。

• the sound absorption coefficiet of osb was tested by the stationary wave method. the results showed that the osb had good sound absorption property compared with brick and concrete.

  采用驻波管法测定定向结构刨花板的吸声系数，分析比较了定向结构刨花板与砖、混凝土吸声性能的差异。结果表明，定向结构刨花板具有良好的吸声性能。

• when the porosity and pore diameter reduced, the sound absorption curve moved to the low frequency zone and the frequency bandwidth increased at the same time.

  随着孔隙率、孔径的减小，多孔铝的共振吸声系数有所下降，吸声频谱曲线向低频方向移动，且频带宽度展宽。

• attenuation was paid to the study on the sound absorption mechanism of water-soluble polymer during dissolving.

  研究了水溶性高分子涂料在其溶解过程中的吸声机理。

• sound absorption and cooling problems are also considered. a water cooling sink is designed and made, and it shows a good performance in experiments.

  还考虑了吸声和散热问题，设计和制作了一套水冷散热器，实验证明效果良好。

• in applied acoustics field, the sound absorption measurement of an acoustic material and structure is always an important and basic task.

  在应用声学领域，声学材料与结构的吸声测量始终是一项重要的工作。

• the corresponding lowering of sound absorption depends on location and frequency.

  声音吸收能力相应的降低幅度取决于区域和声音频率。