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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If you model a family of products or a product line, you can use variation points to differentiate products within the model.

如果您对一系列的产品或者产品线建模的话，您就可以对模型中不同的产品使用变量点了。

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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。

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Mr Schultz, who earlier this year returned to the helm of the company he built into a global giant, deserves credit for trying to return Starbucks to its old approach to innovation, which was all about incremental product variation around a central platform.

ECONOMIST: Innovative things to do with a banana