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。
The mechanical and structural design improvement of the vibrating technology made by the company and the efficiency and economical benefit achieved through the transformation are described.
叙述了该公司对振动出矿工艺进行结构和机械改进设计的情况，说明了该项改造所取得的效果与经济效益。
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。
The improvement of design theory and construction technology of Bridges makes bridge span longer and structural style and function more complicated.
桥梁设计理论和施工技术的进步使得桥梁跨度不断有新的突破，结构型式和功能也日趋复杂。
The improvement of design theory and construction technology of Bridges makes bridge span longer and structural style and function more complicated.
桥梁设计理论和施工技术的进步使得桥梁跨度不断有新的突破，结构型式和功能也日趋复杂。
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