通过在桥梁结构的特定部位设置阻尼器，控制结构的动力响应，减轻结构在地震中的反应，是一种行之有效的方法。
To install dampers in the specific part of bridge structure for controlling the dynamic response of structure and reducing the response of the structure in the earthquake is an effective measure.
利用核电站反应堆中子动力学系统的单位阶跃响应数据，得到了该系统的非参数模型。
In this paper, a kind of non-parameter model is constructed with the unit step response of the nuclear reactor neutron dynamic system.
根据试验测定的数据，研究了支盘桩-高层建筑结构体系的动力特性和地震反应，重点分析了支盘桩的动力响应。
Dynamic characteristics and seismic response of the system were studied, and dynamic response of squeezed branch piles was analyzed based on the test data.
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