“mosquito density”簡單造句，mosquito density造句子

Study on the relationship between mosquito density and meteorological factors in Beijing

In the event of skyrocketing mosquito density or occurrence of JE epidemic, pesticides should be scientifically distributed and chemical control approaches intensified.

Objective To get an insight into the mosquito density in Shunyi district, Beijing and the seasonal fluctuations to provide the basis for developing mosquito control programs.