利用长沙市区近十年土地利用变更数据，分析长沙市区建设用地扩张存在的问题、根源及其解决途径。
The purpose of the paper is to analyze characteristics of urban land expansion and regional discrepancy, and to examine the main driving mechanism of urban land use change.
在我国快速城市化进程中，城市建设用地盲目扩张，不仅造成土地资源的浪费，而且造成城市生态环境的破坏。
In the rapid urbanization process of our country, the blind expansions of urban construction land use not only waste the land resources, but also damage the ecological environment of cities.
我国大部分城市化地区正面临城镇建设用地快速扩张，土地资源迅速消耗的困境。
Most of our urban area is facing the town construction sites and rapid expansion of land resources and consumption.
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