The influence of material on the dynamic behavior of non linear vibrating system is studied.
研究了材料对非线性振动系统动力行为的影响。
Study results show that based on the hypothesis of minute amplitude vibration the scissors linkage seat studied in the paper can be treated as a linear vibrating system approximately ;
研究结果表明，在微幅振动条件下，此种座椅振动系统可近似看做是线性系统；
The spin-vibrating pulverizer is a kind of multi-freedom degree non-linear system. The methods of determining best parameters are given by the research of the working principles of the machine.
低噪旋振制样粉碎机是个多自由度非线性系统，文中通过对其工作机理的研究提出了合理选择参数的方法。
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