中文说明：
该方法针对权重未知，属性值为区间数，对方案有偏好的多属性决策问题，运用基于相离度的方法来求出属性权重，然后用可能度法对区间数进行比较，实现对方案的排序。
English Description：
Aiming at the multiple attribute decision making problem with unknown weight, interval value and preference for alternatives, the method based on the degree of separation is used to calculate the attribute weight, and then the possibility degree method is used to compare the interval number to realize the ranking of alternatives.