针对现存的多种单一综合评价方法机理、属性层次相异引起的对同一个对象评价结论不相容的问题，提出一种新的组合评价方法。定义了“具有相容性”与“特殊属性”的两类综合评价方法；建立了两个组合评价模型，分别将这两个属性层次方法所得的不一致的评价值与排序结论进行组合；在此基础上提出“复组合”的概念。并应用此模型对我国欠发达地区15个城市的综合实力进行评价，使得系统评价更具有科学性和实用性，为欠发达地区开发战略制订宏观经济政策提供实证基础。

This paper firstly defines a group of system evaluation methods of attributes difference. Secondly, it puts forward one new combination evaluation method , in order to solve the problem of inconsistencies in the conclusions, which is caused by adopting many different single methods to evaluate the same objective. This method is used to evaluate the comprehensive competitive power of 15 cities in western China .to make the system evaluation more scientific and useful.