本文采用杆系有限元方法，研究了桥墩结构在地震和冰荷载作用下的响应问题。
In this paper, the responses of bridge structure to earthquake and ice loads are studied.
本文针对复杂杆系结构提出一种超级有限条的分析方法。
A super finite strip method for complex rod-systems has doveloped in this paper.
本文以国产的武器系统为例，研究场景子系系统软件的结构组成和系统的实现方法。
It reaches the structure of combat environment system and the method of being realized.
本文以国产的武器系统为例，研究场景子系系统软件的结构组成和系统的实现方法。
It reaches the structure of combat environment system and the method of being realized.
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