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.
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