桥梁结构的动力特性就是结构振动的基本特性，是对桥梁结构进行地震反应分析的基础。
Dynamic characteristics of bridge structure is the foundation of seismic response analysis of bridge structures.
分析结果为实际坡口机的动力学分析和控制系统设计奠定基础。
These lay a foundation for dynamic analysis and control system design.
本文提供的分析方法是解决“飞机-拖索-拖靶”动力学系统运动问题的基础工具之一。
The analytical method suggested in this paper is one of the essential tools by which…
本文提供的分析方法是解决“飞机-拖索-拖靶”动力学系统运动问题的基础工具之一。
The analytical method suggested in this paper is one of the essential tools by which…
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