Then, the matching design can be accomplished by means of impact load spectrograms so as to perform the optimal structural design and to make further improvement on dynamic strength program.

再利用冲击载荷谱图作为实现匹配设计的技术途径，以期实现最佳的结构设计，从而进一步完善了动力强度设计程序。

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To propose optimal design for structural engineering by using advanced technology and ensuring economy.

对工程方案提供优化设计，做到技术先进、经济合理。

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Fundamental principle and related key problems for the application of finite element method into structural optimal improvement design are expatiated and analyzed.

阐述和分析了应用有限元方法进行结构优化改进设计的基本原理和所涉及的关键问题。

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