Through building optimum model of truss Bridges, utilizing structural analysis methods and combining examples of optimum algorithms, the dynamic design of wide span truss Bridges is discussed.
通过建立斜拉桥优化模型，运用结构分析方法，结合优化算法计算实例，对大跨度斜拉桥的动力优化设计进行了初步的探讨和研究。
Optimum tolerance design is one of important steps in the process of machine design and manufacture and in the application of computer, and model-building is an important step.
公差优化设计是在机械产品设计和制造过程中的一项重要内容，而在计算机应用中， 建模也是一个重要的步骤。
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