The theory of fuzzy set is applied to discuss the fuzzy fault tree analysis and its application based on triangular fuzzy number arithmetic operations.
应用模糊集合理论，讨论了基于三角模糊数算术运算的事故树分析方法。
We first define the fuzzy number intuitionistic fuzzy set and give its some operations. we also discuss the links of it and the interval valued intuitionistic fuzzy set, the intuitionistic fuzzy set.
定义一种新的模糊数直觉模糊集，同时给出了它的一些运算，并讨论了它与直觉模糊集、区间值直觉模糊集的关系。
In the paper, concepts, operations and laws of operations of multi-dimensional fuzzy error set are first studied on base of needs of objective practice.
本文根据客观实际的需要，首次提出了多元模糊错误集的概念，并研究了它上面的运算及其规律。
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