In this paper, the population model which the velocity of the preying rate of the predator population changes when quantities of the prey population increase is concerned.
本文研究一类随着食物量的增加捕食者捕食速度的变化率起变化的种群模型。
Time series model can simulate and predict the increase of Quercus variabilis population by the difference, periodic method.
时间序列分析可以通过差分、周期的方法，对植物种群的增长进行模拟与预测。
With the decentralization of urban population living increase, the traditional model of community management gradually failed to keep pace with the trend of The Times.
随着城镇人口居住的集中化加剧，传统人工小区管理模式逐渐跟不上时代的潮流。
With the decentralization of urban population living increase, the traditional model of community management gradually failed to keep pace with the trend of The Times.
随着城镇人口居住的集中化加剧，传统人工小区管理模式逐渐跟不上时代的潮流。
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