本文以咸阳市为研究区域，从理论与实践的角度，研究了GIS支持下的城市地质环境综合评价和经济评价的方法。
In this paper, GIS Based Urban Geo-environment assessment is studied at theory and practice level, taking Xianyang city as research region.
走廊与交通运输走廊的研究目前集中在三个层面：城市尺度、区域尺度、国家或国际尺度。
There are three scales of transport corridor: urban scale, regional scale, and national or international scale.
重视和提升城市竞争力是有效推进城市化和提高区域经济水平的关键所在，它已成为各个国家和区域关注与研究的重点。
Attaching and promoting urban competitiveness, becoming the focal study of each country and regional, it was the key to effective advancing urbanization and promoting regional economical level.
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