“seasonal fluctuations”造句，怎麼用seasonal fluctuations造句

5、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.

1、So have seasonal fluctuations.

3、The seasonal fluctuations about infectation percentage and the harm on the Corbicula fluminea were compared.

6、There are several hypotheses, including warming or cooling of Earth, changes in seasonal fluctuations or ocean currents, and changing positions of the continents.

4、Northern areas suffered increasingly from intense heat and great seasonal fluctuations between wet and dry conditions.

2、For short-run decisions, the ability to predict seasonal fluctuations is often essential.