A join is a Cartesian product of two row sets, with the join predicate applied as a filter to the result.一个连接是两个行集的笛卡尔乘积，谓词连接作为一个过滤结果应用。
In this article we construct extended fuzzy measure on fuzzy intervals, fuzzy numbers and cartesian product of fuzzy int摘要本论文建构在模糊区间，模糊数和模糊区间的卡氏积上的扩张模糊测度并推导出模糊测度空间。