高层建筑结构中由于地震引起的振动有时是十分严重的，利用磁流变阻尼器进行振动控制的方法可以有效减小体系的振动反应。
The vibration responses of high-rise building induced by ground motion are very serious. The structural vibration control method using MR dampers can reduce the responses of the structure effectively.
在循环系统或产出流体系统内部的小体积流体，其密度通常高于主体流体，其作用是影响井的流动特性或生产特性。
A small volume of fluid, often of a higher density than the main body of fluid, within the circulating or production-fluid system that influences the flow or production characteristics of the well.
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