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.
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。
The sound absorption guiding cone is made of foam material, which can reduce the secondary noise and guide the flow.
讨论了机电一体化装置抗干扰的重要性，分析了噪声来源，并探讨了一种机电一体化装置抗干扰的结构。
The paper discusses the importance of anti - interference in mechatronics device, analyzes the sources of noise jamming and makes further approach to a antijamming structure for mechatronics device.
用传统的理论或实验方法研究切削过程中各个声辐射体对总体切削噪声的贡献比较困难和繁杂。
It is difficult to study the contribution of each sound radiator to total cutting noise in a cutting system by means of traditional theoretical or experimental methods.
但是体全息存储记录通道中复杂的噪声来源一直是妨碍体全息存储技术实用化的主要问题之一。
However it is always one of main problems for volume holographic storage which is made practicality that there are a lot of the complex noise sources in the recording channel.
煤与瓦斯突出前有征兆显现——煤体声发射，然而实际采样到的煤体声发射信号往往含有许多噪声，严重影响了预测可靠性。
There is a sign before coal and gas outburst-acoustic emission, but a lot of noise included in acoustic emission affects reliability of prediction severely.
离心玻璃棉可以制成墙板、天花板、空间吸声体等，可以大量吸收房间内的声能，降低混响时间，减少室内噪声。
Centrifugal glass cotton can be made into wallboard, ceiling, space sound-absorbing body etc, can be absorbed in a room, reduce doubled the reverberation time, reduce indoor noise.
研究了焊接贝氏体-奥氏体钢管贝氏体钢侧显微组织变化和残余应力分布对巴克豪森噪声（BN）的影响。
The effects of change in microstructure and residual stress distribution on Barkhausen noise (BN) on the bainitic steel side in a welded bainitic and austenitic steel pipe are studied.
通过用声强测量系统对水下大型结构体进行了辐射噪声声功率的测定以及噪声源的识别和定位的实验。
The measurement of radiation noises from an underwater structure body and identification and location of noise sources were carried out by using a sound intensity measurement system .
本文提出用于地下成像无源地震方法的分析，在该方法中应用环境地震噪声作为地下散射体的照明源。
An analysis of a passive seismic method for subsurface imaging is presented in which ambient seismic noise is employed as the source of illumination of subsurface scatterers.
结果扫描参数，受检体的体积及密度均影响CT图像噪声。
Results Each of scanning parameter, volume and density affected the noise on ct imaging.
主动噪声控制是集声学、自适应控制及数字信号处理等技术为一体的高新技术，已成为国内外噪声控制界的研究热点。
Active noise control (ANC) is a new high technology integrated with acoustic, adaptive control and digital signal process and it has become the research focus center of noise control.
这样，由于转动 体171的通过振动不会被共振频率放大，因此可以抑制噪声等级的增 大。
Thus the utility model can inhibit the increasing of the noise grade as the vibration of the rotator 171 is not amplified by the resonance frequency.
基于耦合波理论并引入波矢簇的概念，对体全息存储分维复用的串扰噪声进行了分析。
Based on the coupled mode theory, the cross-talk noise in fractal multiplexed volume hologram is analyzed.
目的探讨质膜Ca2 +- ATP酶异构体2 （PMCA2 ）基因多态性与噪声性听力损失的关系。
Objective To investigate the association of plasma membrane Ca 2+ -ATPase isomer 2 gene(PMCA2)polymorphisms with the development of noise-induced hearing loss(NIHL).
本文建立的流噪声数值模拟方法，为水下潜体的开孔优化设计提供了理论支撑。
The numerical simulation method of flow noise can supply the theoretical support for the optimal design of cavities of submerged bodies.
结合有限元和柔性多体动力学方法建立了该柴油机整机仿真模型，进行整机振动烈度和辐射噪声的模拟研究。
Finite element method and flexible multi-body dynamics method are used to establish engine simulation model, calculate engine vibration intensity and radiated noise.
用于重复压力测试的标准化、确定性噪声及任意噪声发生可提供一体化性能。
Calibrated and deterministic noise for repeatable stress tests, and random noise generation provide all-in-one capability.
本文将分析体全息存储通道中存在的各种噪声来源。
In the paper, we analyze the noise source of recording channel in volume holographic storage, and produce the noise mod - el.
对比分析表明噪声仿真分析可以应用到球磨机的降噪工程上，也能为低噪声球磨机筒体的设计提供理论依据。
Analysis shows that the simulation method not only can apply to control noise of cylinder but also produce base theoretic when designing low noise mill cylinder.
其目的是提供一种噪声低，振动小，性价比高，可节约能源的冰箱热水器一 体机。
The target of the utility model is to provide a refrigerator and water heater integrative machine with low noise, small vibration, high cost performance and energy saving property.
但氡子体影响、系统噪声造成的数值不稳定、剂量率具有周期性的变化均会使数据出现波动从而造成无效的报警。
However, the radon and thorium daughters effects and the system noise and their periodic changes will result in fake alarm.
具体地讨论了在热传导条件下色散关系的特殊性质和相应的等离子体低频噪声的传播形态。
The characteristics of the dispersive relation and the propagation of plasma low frequency noise are discussed in details.
在此期间，位于X染色体上的生殖细胞特有的染色体形式上的几个基因被激活，从而避免了因为它们的噪声抑制可能引起的问题。
Germ cell specific autosomal versions of several genes located on the X chromosome are activated during this period, thus circumventing the problem that would arise from their silencing.
独特的向5372a （相比，与5371a ）是更深的记忆体，硬体直方图，和FFT能力高的性能和更复杂的抖动频谱分析和相位噪声的研究。
Unique to the 5372A (compared with the 5371A) are deeper memory, hardware histograms, and FFT capabilities for high-performance and more sophisticated jitter spectrum analysis and phase noise studies.
为了有效抑制噪声干扰，将数字通信模型引入到体全息视频存储方案设计中。
A holographic storage scheme for video data storage and retrieval based on the digital communication model is de-signed.
为了有效抑制噪声干扰，将数字通信模型引入到体全息视频存储方案设计中。
A holographic storage scheme for video data storage and retrieval based on the digital communication model is de-signed.
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