The natural population analysis calculations at the B3LYP level with different basis sets were performed on the three cations and the three parent molecules.
利用B3LYP方法和不同的基组对这三种阳离子及其分子进行了自然布居分析计算。
The sensitivity analysis showed that the temperature was the most important factor, the other key factors included initial population size, natural enemy and rice development stage.
灵敏度分析显示，温度是影响褐飞虱种群数量动态的最关键因素，其次为初始迁入虫量、天敌和水稻生育期。
The present paper dealt with the population dynamics of Myzus persicae(Sulzer)and its natural enemies using fuzzy grouping analysis.
本文应用模糊聚类方法研究了烟蚜及其天敌的种群动态。
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