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1·Shear modulus and damping ratio change very little.

动剪切模量与阻尼比的变化比较小。

2·The objective function for GA takes damping ratio as its variable .

所得到的阻尼比作为大扰动下控制效果的评估指标。

3·The influence of consolidation stress ratio on damping ratio is not distinct.

但固结应力比与有效围压应力对阻尼比之影响则较不明显。

4·Contrast quivalent dynamic shear modulus and damping ratio of different soil types.

最后分析了同类土静、动强度参数之间的比例关系；

5·Third, a new structure of PID control reduces the damping ratio of the control system.

变结构的张力控制可以减小过程中的阻尼比的变化幅度，提高稳定性。

6·Dynamic damping ratio of frozen soil decreases with increment of frequency or decrement of temperature.

冻土的动阻尼比随频率的增加或温度的降低而减小。

7·Theeffect of moisture content and stress conditions to the damping ratio of Xi'anloess are also discussed.

对西安黄土还探讨了不同湿度、应力状态对阻尼比特性的影响。

8·Stayed cable is very vulnerable to vibration as it is with low rigidity, low damping ratio and light weight.

由于斜拉索刚度小、阻尼低、质量轻，极易发生振动。

9·It is found that the asymmetric stiffness and large damping ratio will both enhance the threshold of stability.

研究表明支承刚度的不对称和大阻尼比都将提高转子稳定性的门槛值。

10·The optimum parameters include the optimum frequency spacing, average damping ratio, and tuning frequency ratio.

最优参数包括最优频率间隔、最优平均阻尼比和最优调谐频率比。