Department of Mathematics;
Huanghuai University;
Zhumadian 463000;
China;
School of Management and Economics;
North China Institute of Water Conservancy and Hydroelectric Power;
Zhengzhou 450011;
China;
多属性决策问题; 不完全信息; 灰色区间; 模型基; 粗集; 一体化; 粗糙集理论; 灰色系统理论;