给出了基于多色集合理论和功能方法树的机械产品概念设计的知识表达。
The knowledge expression based on polychromatic set theory and function method tree is illustrated.
然后利用势流变换建立功能方法树的基本构造块，采用人工智能技术生成功能方法树，产生多方案及评价；
Then, functional means tree was produced by effort-flow transforming operation, and multi-solution production and evaluation were utilized by artificial intelligent technique.
系统以工程形式来管理一个产品的设计过程，能够创建和管理功能方法树、产品结构树，建立设计矩阵，结构化存储设计数据。
The system manage design process of a product with project mode, and can establish and manage function-means tree, product tree and design matrixes to store structurized design data.
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