Meng Xiaojun(Hangzhou Electric Industrial College,Hangzhou 310037,China)Wang Zhongchen(Jiangxi University of Finance and Economics,Nanchang 330013,China)
Abstract：This paper,first,gives 5 normal fuzzy state vectors corresponding with their personal consumer loan credit grades,A～ 1,A～ 2,A～ 3,A～ 4,A～ 5,then uses the conception of lattice approximate degree and the principle of select appxoximation in fuzzy set,f
2000, Vol. 24 