Some factor that influence the limit of height-to-width ratio is discussed because reliability of base isolation structure is mainly determined by height-to- width ratio.
隔震层的阻尼对结构的抗倾覆可靠度及承载力可靠都有影响，但对抗倾覆可靠度的影响更为显著。
The Influence of the loss factor, thickness and flake filler on the sound isolation performance of polyurethane elastomer is studied.
研究了损耗因子、厚度和填料对聚氨酯弹性体隔声性能的影响。
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