本文研究轨道的振动特性。
The vibration characteristics of railway track is studied in this paper.
研究了具有弹性夹层的层板结构的振动特性。
The vibration behaviour of sandwich structure with spring interlayer is studied.
因此，对船舶结构振动特性的研究是非常必要的。
So the study of vibration characteristic for ship structure is very necessary and important.
有目的地影响复合系统的振动特性是开发工程师的现实任务。
Vibration characteristics of a complex system directly to influence is a current problem for engineers.
最终分析出发动机壳体的振动噪声特性。
Finally, acquaints the vibration and noise characteristic of the engine shell.
发动机的振动和噪声特性是影响汽车行驶舒适性的主要因素。
Vibration and noise is a important factor for vehicle riding comfort.
振动格栅是一种研究紊流特性的有效实验手段。
Oscillating-grid is an effective experimental method to study the characteristics of turbulence.
桥梁结构的动力特性就是结构振动的基本特性，是对桥梁结构进行地震反应分析的基础。
Dynamic characteristics of bridge structure is the foundation of seismic response analysis of bridge structures.
在此基础上考虑了振动波的频散特性。
改善摩托车振动传递特性是提高摩托车振动舒适性的重要途径。
Improve vibration transfer characteristic is an important way to improve ride comfort of motorcycle.
改善摩托车振动传递特性是提高摩托车振动舒适性的重要途径。
Improve vibration transfer characteristic is an important way to improve ride comfort of motorcycle.
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