英汉例句

• The noise at lower part of railway cars consists of rolling noise, aerodynamic noise and driving device noise.

  铁道车辆下部噪声主要由滚动噪声、空气动力噪声和机器噪声组成。

• The reason of influencing aerodynamic noise of air-conditioning outdoor unit was analyzed in detail, and solve the problem of reducing the noise of air-conditioning.

  文章对低气压条件下气闸舱内换热过程的特点进行了理论分析，认为必须采取有效措施以解决气闸舱空气调节问题。

• With the constant increase of the trains「 speed, the aerodynamic noise gradually succeeds the traditional track noise and becomes the main noise source of the high-speed trains.

  随列车行驶速度逐年提高，气动噪声源逐渐超越轮轨噪声成为高速列车最主要噪声源。

• Proposes a theoretical model for aerodynamic noise transmitting towards interior cab of an automobile on the basis of the wind experiment.

  在风洞实验的基础上，提出了气流噪声向汽车内部传播的理论模型。

• In addition, the pressure and velocity in cooling fan flow field are analyzed and the relations between flow rate, rotation speed, blade number and aerodynamic noise of cooling fan are studied.

  同时，对风扇流场的压力和速度进行分析；研究了风扇流量、风扇转速、扇叶数和气动噪声相互之间的关系。

• Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory.

  研究剪刀式尾桨气动噪声的混沌特性，并应用混沌理论进行了直升机尾桨气动噪声信号分析。

• Described are the sound source detection method for the aerodynamic noise on Shinkansen rolling stock and relevant noise reduction measures.

  介绍了新干线车辆空气动力噪声的声源探测方法及相应的降噪措施。

• In this paper, some schemes of reducing the aerodynamic noise are proposed for multi-blade centrifugal fans.

  针对多翼离心风机气动噪声的主要噪声源提出降噪方案。

• According to the aerodynamic noise analysis of cross flow fans, investigates the mechanism of reducing noise due to the adoption of non-isometric impellers.

  根据对贯流风机气动噪声的分析，研究了采用不等距叶轮的降噪机理。

• The effect of protecting mesh of air conditioner outdoor unit on aerodynamic noise is studied with experimental method.

  采用试验研究的方法，研究了某型空调器室外机组防护网对气动噪声的影响。

• A wind tunnel test for a model of the automobile body shows that beneficial effects on reducing drag and suppressing aerodynamic noise by using internal acoustic excitation.

  汽车车身模型风洞实验表明，用内部声激励可获得有效的减阻效果，而且还能起到抑制气动噪声的效果。

• Noise is included aerodynamic noise and structure noise.

  噪声主要包括气动噪声和结构噪声。

• The aerodynamic noise strength of the centrifugal blower is bigger, and it is the main block in the centrifugal blower noise, and don」t easy to control.

  通风机空气动力噪声强度大是通风机噪声的主要部分，且不易控制。