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中文摘要：
采用2000--2011年的非农人口数据，对甘肃省城市规模结构演变进行研究，在此基础上引入城市首位指数、位序-规模法则、基尼系数对地区城市规模分布演变展开计量分析，并进一步分析城镇规模成长的空间特征。结果表明：甘肃省城市规模结构发展具有阶段性特征，其演变模式是政策推动式；由于高位序城市逐步发展，各城市指数下降；2000—2011年间，城市体系一直保持首位分布，位序-规模分布不适用甘肃省城市规模；城市的经济基尼指数和人口基尼指数相对错位，资源型城市及中小城市人口规模有较大的发展空间；甘肃省城镇规模成长表现出明显的交通指向性、河域指向性以及资源指向性的空间特征。
英文摘要：
The paper collected the data of non-agricultural population from 2000 to 2011 for each city in Gan- su Province, analyzed the evolution of city scale grade structure in Gansu Province, then adopted city primacy in- dex, rank-size rule, city Gini coefficient to analyze the rule of city scale distribution evolution quantitatively, and summarized the spatial characteristics of city size growing. The results showed that： urban scale structure develop- ment in Gansu Province has stage characteristics, whose evolution model is policy-driven. The high order city grad- ually developed, and the city exponential decline; urban system has remained the primary distribution, the rank- size distribution is not suitable for the size of the cities in Gansu Province. Population Gini coefficient and economic Gini coefficient show relatively dislocation from 2000 to 2011, and the population size of resource-based cities and small and medium-sized cities have larger development space; traffic directivity, river directivity and resources di- rectivity are main spatial characteristics of city scale growth in Gansu Province.
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