1·The equivalent viscous damping ratio and the equivalent natural frequency are obtained by comparing the system with a purely linear, spring-mass-damper system of single freedom.
通过和单自由度线性弹簧-质量-阻尼系统进行比较，得到该带裂缝梁结构的等效自然频率和等效粘滞阻尼比。
2·To make users select viscous hydraulic damper products produced by our company conveniently, quickly and correctly, lectotype design can be conducted according to the following steps.
为使用户方便、快捷、正确的选用我公司生产的粘滞液压阻尼器产品，可按下述步骤进行选型设计。
3·Energy dissipation is a new kind of antiseismic technology. Structural shock absorption by viscous dampers is one of the most effective energy dissipation methods.
利用粘滞阻尼器对工程结构进行减震是耗能减震方法中最有效的新型抗震技术之一。
4·The cause of acoustic loss is considered as the viscous damping and the effect of impurity.
声损耗的原因认为是粘滞阻尼和杂质效应。
5·Yet even at great depth, the mantle remains an exceedingly viscous fluid, flowing ever so slowly even in response to extreme pressures.
然而即使在极深处，地幔仍保持非常粘滞的液态，即使是在极度的压力下流动也十分缓慢。