On the other side of the problem of low frequency, the research intends to study the environmental vibration and the nearest neighbor frequency control object and the control period, and the research and analysis of the vibration caused by the low frequency noise of the case, as a reference for future regulation.
正在翻譯中..
![](//zhcntimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)