...1 城市边缘区的含义 学术界关于城市边缘区的概念有多种提法,如城市边缘带(urban fringe)、城市蔓延区(the area of urban sprawl)、城乡结合部(city -country fringe )、城市阴影区(urban shadow area)、城乡交错带(urban -rural fringe)等.
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NASA's Airborne Synthetic Aperture Radar (AIRSAR) has revealed extensive waterworks and urban sprawl surrounding the many temples of the greater Angkor area.
NASA的机载合成孔径雷达(AIRSAR)在大吴哥区发现粗放的水利设施和无计划的城市扩张。
Abstract: Using the data of built-up area at the city level from 1984 to 2014, the paper describes the present status of urban sprawl and analyzes the characteristics and efficiency.
摘要：选取1984 ~ 2014年我国地级以上城市建成区面积的数据，在描述城市扩张现状的基础上分析我国城市规模演变的特征和效率。
Urban sprawl is more rapid that the urban built-up area increased from 9386 square kilometers in 1985 to 35469 square kilometers in 2007, which equals a 278% of increase.
城市建成区的规模扩展更加迅速，城市建成区的面积已从1985年的9386平方公里增加到2007的35469平方公里，增加了278%。
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