对冰点以下的增长动力学，讨论了冰熔融模型、冰核收缩反应模型和水合物原位偏离模型。
As for hydrate growth kinetics below ice point, the melting model of ice, shrinking ice-core model and delocalization model were discussed.
研究目的：建立农地非农化与人类经济活动、人口增长的非线性动力学模型。
The purpose of the paper is to establish a nonlinear model of dynamic evolution of the relation between agricultural land conversion and human activities.
为此，更好地理解城市增长的空间动力学应该是一个先决条件。
For this, a better understanding of the spatial dynamics of urban growth should be a precondition.
系统动力学模型的基本模拟结果显示，城镇用地的长期变化趋势是一种“S”型的增长规律，从1980年至2030年是城镇用地变化的快速增长阶段。
The basic result of system dynamics simulation shows that the long term trend of urban land change is a "s shaped" curve, and the fastest period is between 1980 and 2030.
本文通过分析股利增长率的影响因素，建立了股利变化的非线性动力学模型；讨论了股利变化的各种动态行为；
By analysing the affecting factors of dividend increasing rate, we construct the nonlinear dynamics model of dividend changing, and discuss all kinds of dynamical behaviors of dividend.
本文通过分析股利增长率的影响因素，建立了股利变化的非线性动力学模型；讨论了股利变化的各种动态行为；
By analysing the affecting factors of dividend increasing rate, we construct the nonlinear dynamics model of dividend changing, and discuss all kinds of dynamical behaviors of dividend.
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