The relationship between land use dynamic process and the character of physical geographical units is different in different units.
地理要素，是指地图上表示的具有地理位置、分布特点的自然现象和社会现象。
The paper regards the system of the dynamic monitoring for land use as an example, and expounds detailedly the key-techniques and the process obtaining the change polygon.
本文以某一示范区的土地利用动态监测系统的研究为例，详细阐述了其变化图斑获取子系统实现的关键技术和过程。
Urban land-use change is a complex dynamic and spatiotemporal process and how to simulate this process is a key problem in the research field and Cellular Automata Model has obvious superiority.
城市用地变化是一种时空动态变化的复杂地理过程，如何有效地模拟这一过程是该研究领域的一个重要问题，在诸多模拟模型中元胞自动机具有明显优越性。
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