By applying finite element method and optimal design theory this paper carried out an optimal design model of the machine tool shaft, chosen optimal methods and given a living example.
运用有限元法和优化设计理论，建立机床主轴结构设计的优化数学模型，选择优化方法，进行了实例计算。
Izumi Garden design is a living example of Japanese mega building complex.
该文介绍了日本大型综合体建筑项目——泉花园的设计实例。
The paper introduces the design principle of this technique and its effect taking the living thing ribbon technique in Xinzhouhe river as the example.
本文通过生物飘带技术在新洲河的应用案例，介绍了该技术的设计原理及应用效果。
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