The knowledge expression based on polychromatic set theory and function method tree is illustrated.

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。

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The knowledge expression based on polychromatic set theory and function method tree is illustrated.

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。

youdao