It gives a example of optimum design, calculates variation of structure parameters and operating performance under changing operation conditions and shows the calculating results about model tests.
并且给出了优化设计的实例；计算了变工况下的结构参数及运行性能变化，列出了型式试验计算机模拟结果。
Creating design is not just a variation of outward appearance. It is a reformation of the interior structure done with originality and ingenuity.
设计的创造，并不是表面上呈现的变化，而是运用创意改善内部构造。
A mixed way with type, variation and mutual has been adopted to design product in the system and the process is managed by the tree structure of product.
系统采用混合工艺设计的方法，即综合运用典型、变异和交互式设计，以产品结构树的形式进行工艺管理。
The papers expatiated the features of Li Yinghai's piano work Yi'gong Variations, especially its modal design, variation technique, and the rule of the whole structure.
文章论述了黎英海钢琴曲《移宫变奏曲》在变奏曲调式布局方面的独特性，并对乐曲的变奏手法、整体结构原则进行了简要的分析。
The representation of a product variation in product family design was studied by analyzing product structure tree.
在分析产品结构树的基础之上，对产品族中变型产品知识结构的描述进行了研究。
The representation of a product variation in product family design was studied by analyzing product structure tree.
在分析产品结构树的基础之上，对产品族中变型产品知识结构的描述进行了研究。
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