摘要
介绍2009年全国研究生数学建模竞赛D题的命题思路及解题方法，并对评阅结果进行了综合评述．
The intention and solution method for problem D in CGMCM 2009 are discussed Some excellent methods by the participating postgraduates are reviewed.
出处
《数学的实践与认识》
CSCD
北大核心
2010年第15期208-211,共4页
Mathematics in Practice and Theory
关键词
110警车
巡逻方案
覆盖率
见警率
110 police wagon
patrol strategy
covering rate
arriving rate
