muffling

英 [ˈmʌflɪŋ] 美 [ˈmʌflɪŋ]

v.  压抑(声音); 使(声音)降低; 使听不清; 裹住，覆盖，蒙住(以保暖)
muffle的现在分词

柯林斯词典

  1. VERB 使(声音)低沉;使(音量)减弱
    If something muffles a sound, it makes it quieter and more difficult to hear.
    1. Blake held his handkerchief over the mouthpiece to muffle his voice...
      布莱克把手绢包在话筒上，以使自己的声音听起来模糊不清。
    2. She heard a muffled cough behind her.
      她听到身后一声低沉的咳嗽。
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双语例句

  1. But poor product quality and safety problems have played a role in muffling consumer spending.
    不过，产品质量不佳以及安全问题重重打击了消费者的购买积极性。
  2. Muffling pool experiment shows that the system meets the design requirements.
    在消声水池的实验证明系统完全达到设计要求。
  3. Haldon Halfmaester had wrapped a yellow scarf around his mouth and nose, muffling his voice.
    “半学士”哈尔顿用一条黄色长围巾包裹住口鼻，声音变的沉闷。
  4. The utility model relates to a muffling pressure-limiting valve, which is a muffling pressure-limiting device used on a pressure cooker.
    消声限压阀是使用在压力锅上的一种消声限压装置。
  5. Noise isolation, noise absorption and muffling are individually applied to each region in accordance with their feature.
    根据不同分区内噪声的特点，在不同控制区分别采用隔声、吸声和消声等噪声控制技术。
  6. The sound absorbing device ( 22) is provided with a plurality of mutually different absorption areas ( 24) on the aspect of depending on the muffling performance of the frequency.
    吸声装置（22）具有多个在其取决于频率的消声性能方面相互不同的吸收区（24）。
  7. Study of the muffling behaviou of an acoustical splitter in a water-filled duct ⅰ. Theoretical Analysis
    充水管道声分隔片消声性能研究Ⅰ.理论分析
  8. The results show that spongy aluminium alloy has an advantage of muffling the noise caused by air power.
    结果表明，泡沫铝在消除空气动力噪声方面具有优越的性能。
  9. The results show that the precision is higher than that of one dimension planer wave calculation on the exhaust silencer frequency property and the muffling magnitude.
    结果表明，无论是频率成分还是消声量，二维有限元分析结果较一维平面波分析的精度有了进一步提高。
  10. Testing Education Lowering the Banners, but not Muffling the Drums, Quality Education Hard to Step Forward& On the Present Situations of Current Middle School Education
    应试教育旗偃鼓不息，素质教育举步维艰&也谈目前的中学教育现状
  11. A Study on Theory and Experiment of Sound Muffling Mechanism of ceramic Beehive Carrier for Motor Vehicle Purified Exhaust Muffler
    汽车净化消声器陶瓷蜂窝载体消声机理的理论及试验研究
  12. Research on the Muffling Characteristics of the Serial-parallel Inlet and Exhaust Manifold of Motor Vehicle Engine
    汽车发动机串并联进排气系统消声特性的研究
  13. The maximum level of muffling being taken as object function, the parame-ters of muffler's whole structures have been optimized by using the method of dynamic transfer matrix analysis.
    本文用消声器动态传递矩阵分析方法，以最大消声量为目标函数，对消声器的总体结构参数进行了优化。
  14. The Vibration& Acoustic Radiation and Noise Muffling Characteristics of Plate Structures
    板结构的振动声辐射及其隔声性能研究
  15. Tests proved in addition to lower production cost the muffling and aerodynamic performance of this new muffler are better than the original one.
    试验证明其消声及空气动力性能均优于原配消声器，此外制造成本也有所下降。
  16. On the Purification of Automobile Exhaust Gases and Muffling
    汽车排气的净化与消声
  17. The perforating shield contributes a lot in improving the muffling effect and at the same time has a function of eliminating the pulsating sound in the engine exhaust-ing noise.
    穿孔屏对改善消声效果有较大的作用，同时，对发动机排气噪声中的脉动声有较好的消除作用；
  18. With the three dimensional boundary element mathematical model. simulation of transmission loss of the muffling structure is carried out.
    利用三维边界元数学模型对消声结构传递损失进行了仿真计算。
  19. By muffling volume of barrel dissipative muffler is tested in test-bed, muffling volume of A class and each time of spectrum are obtained under various velocity of airflow.
    通过实验台对筒式阻性消声器的消声量进行测试，测得了不同气流速度下，筒式阻性消声器的A声级消声量和各倍频程的消声量。
  20. Design for the Simulation Experiment of the Electronic Muffling Control System of Engine Exhaust
    发动机排气电子消声控制系统模拟实验设计
  21. Acoustic transferring matrix method and sound wave finite element analysis method have been employed respectively to perform calculation for the muffling characteristics of the serial-parallel piping of the inlet and exhaust manifold of motor vehicle engine, and meanwhile physical measurement has been carried out for the engine.
    对汽车发动机进排气系统的串、并联管道系统的消声特性，分别用声学传递矩阵方法和声波有限元分析方法进行了理论计算，同时对发动机进行了实测。
  22. Studies on Muffling Characteristics of Exhaust Muffler with the Boundary Element Method
    用边界元法研究排气消声器的消声特性
  23. This article deals with the research of two exhaust mufflers made of porous metal-function material-spongy aluminium alloy and the contrast test of their muffling performance.
    研究了多孔金属功能材料&泡沫铝制成的两种结构的消声器，进行了消声性能对比测试。
  24. Based on the test and the muffling principle, the optimizing program to the exhaust noise is determined.
    在噪声试验的基础上，本文根据排气噪声产生的机理以及消声器的消声原理，确定改进优化设计方案。
  25. The transfer matrix method and unsteady flow analysis method are commonly used in the study of acoustic performance of exhaust noise muffling system of internal combustion engine.
    在内燃机排气消声系统的声学性能研究中，常用的有传递矩阵法和非定常流动分析法。
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