Using fuzzy mathematic design theory, based on multi-purpose relative function for compound formula design, comments the whole compound formula to gain the optimized formula.
应用模糊数学设计理论，在建立橡胶配方设计多目标的隶属函数的基础上，对橡胶配方进行整体评价，得到最优配方。
Rough Set theory is a new mathematic tool to deal with fuzzy and uncertain knowledge.
粗糙集理论是一种新的处理模糊和不确定性知识的数学工具。
The mathematic model is built by the theory of the fuzzy comprehensive appraise which is used for NC machine tool. This appraise is scientific and practical.
应用模糊综合评价理论建立数学模型来评价数控机床，使这种评价科学、实用。
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