It also means that the levels of noise and vibration are similarly far higher.
这也意味着，噪音和振动水平同样高得多。
Minimize belt and pulley wear Reduce noise and vibration Lightweight, only 1-1/4 lbs.
皮带和滑轮磨损最小化降低噪声和振动重量轻，只有1-1/4磅。
The noise and vibration level is an important index for evaluation of bearing quality.
中小型球轴承噪声水平是评定轴承质量的一个重要指标。
The active components of vortex compressor reduce the unit's noise and vibration a lot.
涡漩压缩机的活动部件的减少使机组的噪声及震动降低很多；
A new method for controlling noise and vibration of reducer is introduced in this paper.
文中给出控制减压阀噪声和振动的新方法。
The noise and vibration control is a major research subject in civil and military fields.
结构振动和噪声控制对于民船和军船都是一项十分重要的研究课题。
Yu-tone acoustic successfully resolved a variety of types of noise and vibration problems.
玉音声学成功地解决了多种类型噪声和振动问题。
Special housing could reduce noise and vibration, best design on the impeller base on aerodynamics.
新型设计的机壳以及依照空气动力学设计的叶轮，能够减少振动和噪音。
The uniformity of propeller wake has close relationship to noise and vibration problems at ship stern.
艉迹流的均匀性与船艉振动与噪音问题有直接相关性。
The research of structural noise control is an important aspect of noise and vibration control domains.
内燃机结构噪声控制的研究是振动与噪声控制领域的一个重要的研究方向。
Special lateral cross-flow fan makes lower fan rotation speed, which ensures lower noise and vibration levels.
独特的交错纹风扇设计有效减低转速以降低噪音及震动。
It can be applied to extract line spectra features and reduce the amount of data in noise and vibration spectra.
它适用于在噪声或振动谱上提取线谱特征和压缩数据量，是利用谱特征进行模式识别的有效预处理手段。
On account of the high pressure and squeezing action, it operates with less noise and vibration than a drop-forge.
由于较高的压力和挤压作用，它比落锤锻造噪声及振动都小得多。
Therefore, it is very significant to analyze noise and vibration problem of ship structures in the ship design stage.
因此，在船舶设计阶段就进行船舶结构的振动噪声分析是非常有意义的。
Calculation of the stator modal frequencies of an electrical machine accurately is the base of reducing acoustic noise and vibration.
准确计算定子模态和固有频率是降低电机噪声和振动的基础。
Extensive measures have been taken over the years to mitigate the effects of noise and vibration on transit systems across North America.
在北美洲，过去几年中曾经采用许多方法缓解降低噪声和振动对城市轨道交通系统的影响。
The achievements of former researcher in noise and vibration control of engine are reviewed firstly, which make the key problems clearer.
论文首先对前人在发动机振动与噪声控制研究方面的成果作了概述，明确了本文研究工作的重点和需要解决的主要问题。
Use of a variety of rail profiles with a range of contact points improves steering and overall ride quality, and thereby reduces noise and vibration.
可采用多种钢轨廓形，使每种廓形与车轮均有一定数量的接触点，可以提高导向性能和总体的车辆运行质量，从而减少噪声和振动。
The vibration and noise root cause of PMDC motor are studied, and the solutions for the noise and vibration of micro motor are also proposed in this paper.
在分析各种振动噪声根源的基础上，对微型直流电机的振动与噪声进行了研究，提出了解决微型电机振动噪声问题的思路和方法。
With the rapid development of urban rail transportation, the problems of urban noise and vibration pollution have received more and more attention from the public.
随着城市轨道交通的飞速发展，城市轨道交通噪声和振动污染问题越来越受到公众关注。
Accurate calculation of the stator natural frequencies and harmonic response of an electrical machine is essential to the prediction of acoustic noise and vibration.
预测电机的振动和噪声需准确计算电机定子结构的固有频率及定子的响应特性。
The B&K accelerometer and hydrophone were used for the measurement of the cavitation noise and vibration at different part of jet pump under different operating modes.
针对液体射流泵的空化噪声与振动进行了试验研究；运用B&K加速度仪和水听器对射流泵各部位在不同工况下的空化噪声与振动进行了测量。
The matrix structure, structure of diamond segment, cutting technology and the overall performances of the cutting machine can be improved to reduce noise and vibration.
可以从锯片的基体结构、金刚石节块的结构、锯切工艺以及锯机的整体性能等方面来进行改进，从而达到降低噪声与振动的目的。
Physical prediction model is difficult to establish for noise and vibration in building construction due to unknown factors encountered in the actual propagation process.
建筑打桩施工的噪声和振动，由于在实际传播过程中的未知因素很多，难以建立较高精度的物理预测模型。
Like ordinary motors, noise and vibration of PMSM are also important performance indicators. Therefore, it is very meaningful to study noise and vibration source of PMSM.
与普通电机一样，振动噪声也是永磁电机的一个重要性能指标，因此研究永磁电机的振动噪声源就显得十分有意义。
The structure design and quality of planetary carriers are closely related to the load distribution among planet wheels, the carrying capacity, noise and vibration of gears.
行星架的结构设计和制造质量，对各行星轮间的载荷分配以至传动装置的承载能力、噪声和振动等有很大影响。
Random pulse width modulation technique can be used to distribute voltage harmonics over a wide frequency range and to realize the reduction of acoustic noise and vibration.
随机脉宽调制技术可以使逆变器输出电压的谐波成分均匀地分布在一个较宽的频率范围内，达到抑制噪声和机械振动的目的。
Typically, people are concerned about the flexible modes of the system because those are the modes that generally cause all the noise and vibration problems that we encounter.
通常，人们关心系统的弹性体模态，因为主要是由那些模态导致了我们遇到的所有噪声和振动问题。
Typically, people are concerned about the flexible modes of the system because those are the modes that generally cause all the noise and vibration problems that we encounter.
通常，人们关心系统的弹性体模态，因为主要是由那些模态导致了我们遇到的所有噪声和振动问题。
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