目的：对金华市区的蝇类密度进行分析和研究。
Objective: To study on the composition of fly species in Jinhua city area.
结论不同季节、不同生态环境的蝇类密度和种群均有差异，气温、孳生环境、防治措施是主要的影响因素。
Conclusion the density and population of flies vary with the season and breeding environment, with temperature, the breeding environment and the control measures being the major influencing factors.
目的了解济南地区农村改厕对蝇类种群密度的影响，评价农村改厕的卫生效果。
Objective To know the toilet reforms influence to the flies species density in the countryside of Jinan, evaluating the sanitary result of toilet reform of countryside.
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