Base the population density we classify the population dataand then analyze each data.
主要是对市内人口密度分类,讨论各个分类人口特征.
The significantly negative relationship between female brachypterous rate and nymphal density in Zhejiang population showed a lower tolerance to high nymphal density of Zhejiang population than that of Guangxi and Yunnan populations.
广西和云南种群较能适应高密度环境,而浙江种群的适应性较差,其雌虫短翅率与若虫密度呈显著负相关。
简答网 · 双语娱乐资讯
简答网 · 高考英语