Therefore, establishing the stochastic models between the population dynamics and economic growth has some theoretical significance.
因此，建立人口动态与经济增长之间的随机模型具有重要的理论意义。
By quantifying these causes the population dynamics of the insect would be better understood.
通过对这些原因进行定量，可以更好地了解昆虫的种群动态。
The temperature is an important factor affecting on the population dynamics of asparagus aphid Brachycorynella asparagi Mordvolki.
温度是影响芦笋小管蚜种群的主要因素之一。
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。
Through a whole year field investigation, this paper analyzed the population dynamics of pests and their enemies in organic and normally cultivated rice fields.
通过田间调查，分析比较了有机耕种稻田和常规耕种稻田害虫和天敌的发生动态。
By the black light lamp lure and investigation day after day, the population dynamics of Lepidoptera phototactic insects in hill area of lower Taihang Mountain is studied.
采用黑光灯引诱逐日调查的方法，研究了太行山低山丘陵区鳞翅目趋光性昆虫种群数量动态变化规律。
The results tested the pest data showed that the new method may be tried for the mid term or long term forecasting of the population dynamics of insect pests, and it is a good model for application.
研究结果表明，该预测模型为农业害虫种群动态的中长期预测预报提供了一种新的研究方法，是一种优良的模型。
Forest fragmentation has immeasurable effects on birds. The population dynamics, population genetics and local evolution of birds are to some extent affected by the changes of environment.
森林生境片断化对生活在其中的鸟类产生着难以估量的影响，鸟类的种群动态、种群遗传和局部进化等都不同程度地受环境变化的影响。
Forest fragmentation has immeasurable effects on birds. The population dynamics, population genetics and local evolution of birds are to some extent affected by the changes of environment.
森林生境片断化对生活在其中的鸟类产生着难以估量的影响，鸟类的种群动态、种群遗传和局部进化等都不同程度地受环境变化的影响。
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