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中文摘要：
小城镇土地利用是一个复杂系统，系统的稳定与否直接关系到小城镇各项活动的正常进行．从信息论的信息熵原理可知，信息熵的大小可以反映出土地利用系统的有序程度及土地利用方式的不同．通过信息熵、均衡度、优势度的计算，可以分析小城镇土地利用结构的变化，为小城镇土地利用结构调整、土地利用规划、土地可持续利用提供科学依据．
英文摘要：
As a complex system, the stability of small-towns-land-use structure is directly relevant to small town development. According to the rationale of Shannon entropy based on systematic theory and informational theory, the Shannon entropies and the ordinal degrees of small-towns-land-use structure are different from each other in different ways of land use. The differences of land use structure and the differences of land using can be reflected by the value of Shannon entropy. This paper analyzes the rationality of smalltown-land-use structure by means of Shannon entropy, equilibrium degree and dominant degree, and analyzes the dynamic evolvement of land use structure in small town.
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