就一个三质量的具有非线性弹性轴系统的自由扭转振动特性进行了探讨。
This paper deals with the free torsional vibration characteristics of non-linear elastic shaft with multi-degree of freedom.
弹性测量管的振动特性决定了科氏质量流量计的测量精度。
The measurement error of Coriolis mass flow meter is based on the vibration characteristics of the elastic tube of flow meter.
通过对两特性参数的影响因素质量和刚度的分析，得出了一些有益的结论，对深入理解多质点弹性体系的地震反应有很大帮助。
With the analysis of the influent factors of the parameter, useful conclusions was given, which can help to understand the seismic response of multi-mass elastic system.
MC尼龙（单体浇铸尼龙）具有质量轻、不产生噪音、机械性能好和良好的回弹性等独特性能。
MC nylon, is called monomer casting nylon. MC nylon has lots of very good properties, such as light quality, no noise and good mechanical properties, and so on.
MC尼龙（单体浇铸尼龙）具有质量轻、不产生噪音、机械性能好和良好的回弹性等独特性能。
MC nylon, is called monomer casting nylon. MC nylon has lots of very good properties, such as light quality, no noise and good mechanical properties, and so on.
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