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鼠类是动物鼠疫的宿主动物之一，也是鼠疫流行病的主要传染源；蚤类则是鼠疫传播的媒介【’）。研究鼠类与蚤类的关系，对探索蚤的空间分布以及鼠疫流行病的研究，具有重要意义。目前有关鼠类与其寄生圣关系的研究报道甚少，为此对二连地区的鼠类与寄生蚤进行了聚类分析。1材料
Rodents are one of the host animals for animal plague and are also the main source of infection in the plague epidemic. Fleas are the vector of plague spread. Studying the relationship between rodents and fleas is of great significance to explore the spatial distribution of fleas and the epidemic of plague. At present, little research has been done on the relationship between rodents and their parasites, so cluster analysis has been done on rodents and parasitic fleas in Erlian. 1 material