本文以国家自然科学基金项目：产品概念结构与公差同步综合进化设计理论与应用研究（项目号：50475129）为中心展开研究。
The thesis is supported by National Nature Science Fund Project (No:50475129), named 'Study on evolving theory and technology of synchronous synthetic tolerancing in product conceptual design'.
本文以国家自然科学基金项目：产品概念结构与公差同步综合进化设计理论与应用研究（项目号：50475129）为中心展开研究。
The thesis is supported by National Nature Science Fund Project (No:50475129), named 'Study on evolving theory and technology of synchronous synthetic tolerancing in product conceptual design'.
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