SARS疫情的标度性质及其物理意义

被引:3
作者
吴忠良
机构
[1] 中国科学院研究生院中国北京
关键词
SARS; Zipf分布; 标度性质;
D O I
10.13409/j.cnki.jdpme.2003.02.002
中图分类号
R181.8 [疫情管理];
学科分类号
100401 ;
摘要
使用Zipf分布研究了2003年4月20日前后中国内地各省的SARS疫情,发现SARS病例数满足分段的幂律关系,其中不同的段分别相应于不同的传播方式。资料显示,4月20日前后北京地区处于非常特殊的状态,此时所采取的非常措施看来是十分必要的。
引用
收藏
页码:10 / 13
页数:4
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