This paper deals with the low frequency damping of ZA27 alloy with solid solution treatment after natural ageing stability.
研究了固溶化处理的ZA2 7合金在自然时效稳定后的低频阻尼。
The gas spring is researched and designed to acquired lower resonance frequency and best damping effect, which has low regimens.
研究设计气体弹簧，利用其低刚度获得较低的共振频率，从而获得舒适的运送效果。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
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