资料来源:Yuemin Zhao et:Application of Rank Sum Ratio(RSR)Method in Compre‐hensive Evaluation of the Result of Family Planning Works,Proceedings of the Beijing Interna‐tional Symposium on Fertility Regulation 1996,1,2。表3‐11‐1天津市各郊县计划生育工作的评价(R ↓)。以计划生育率为因变量Y,另 ......