fuzzy number

例句：

1. 1. The fuzzy number methodis used to estimate the uncertainty of measurements.
   模糊数方法用于估计测量的不确定性。
2. 2.Fuzzy numbers are useful in decision-making because they can handle impreciseinformation.
   模糊数在决策中很有用，因为它们可以处理不精确的信息。
3. 3. Infuzzy sets theory, a fuzzynumber represents a set with a degree ofmembership that varies between 0 and1.
   在模糊集理论中，一个模糊数代表一个隶属度介于0和1之间的集合。