| 释义 |
Seasonal Growth
基本例句
季节消长
The seasonal growth of larva at CSIA: two peaks of density appeared in June and September with mosquito density of 37%; average positive pot was 7.94, and zero during January and Febrery.蚊虫季节消长;蚊幼虫季节消长全年最高峰是在6月和9月蚊密度为37%;阳性罐平均为7.;94只在1、2月蚊幼密度为0进入越冬期;
Objective: Understanding the city area living quar te rs gnat grows with the gnat density season growth and decay, for put out the gna t offering according to.目的:了解城区居室蚊种和蚊密度季节消长,为灭蚊提供依据。方法:黄昏后用电动捕蚊器捕捉蚊虫,并带回实验室计数、鉴定蚊种。 |