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

• VERB 使(声音)低沉;使(音量)减弱
  If somethingmufflesa 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。

双语例句

• 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。
• 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；
• 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。
• 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
• 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
• 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。
• 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。
• 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。
• 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。
• 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。