6Cui Wanan~(1,2,3),Yue Chaoyuan~3,Chen Yingchun~4 & Cao Xiuning~5 1.Coll.of Management,Guangxi Univ.for Nationalities,Nanning 530006,P.R.China,2.School of Economics and Management,Wuhan Univ.,Wuhan 430072,P.R.China,3.Inst.of Systems Engineering,Huazhong Univ.of Science and Technology,Wuhan 430074,P.R.China,4.Unit 91388 of the PLA,Zhanjiang 524022,P.R.China,5.School of Business,Hunan Univ.of Science and Technology,Xiangtan 411201,P.R.China.Minimal feasible sets in variable resource constrained projects[J].Journal of Systems Engineering and Electronics,2009,20(5):974-984.