文档介绍：队号19题目B:北京市水资源短缺风险综合评价石家庄铁道大学数学建模竞赛论文领队教师:马祥旺2014年5月18日数学竞赛论文-1-····································································································2关键词:··································································································································································································3B题:水资源短缺风险综合评价·····················································································································································································