Based on fuzzy sets and its theory, the index system of the performance analysis and evaluation of computer system is established in this article.
本文根据模糊数学理论，建立了计算机性能评价的指标体系，并给出计算机性能评价与分析的多属性模糊决策方法。
It can be explained, that if fuzzy math is applied into decision analysis by making fuzzy sets to participate in decision making, it can raise accuracy and reliability of the decision result.
把模糊数学的知识应用到决策分析中，使模糊集参与决策，可以提高决策结果的准确性和可信度。
Based on the analysis of wear particles of diesel engine, a pattern recognition method of the wear mode of diesel engine was originally put forth, by combining rough sets theory and fuzzy theory.
在总结柴油机磨损模式的磨粒分析基础上，首次提出在柴油机磨损模式识别中采用基于粗集和模糊理论相结合的模式识别方法。
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