选取江苏省镇江市为例，运用系统动力学方法建立了该市的环境经济系统模型。
With the method of system dynamics, the model of environmental economic system of Zhenjiang city in Jiangsu province is set up.
本文试就这些问题，并以扬州市为例来探讨旅游资源的合理开发、保护和利用的正确途径。
Thus, this thesis focuses on discussion of the correct channel of developing, protecting and utilizing travel resources with the city Yangzhou as an example.
以重庆市为例，对该市从2000年到2004年土地持续利用情况进行了纵向综合分析评价。
Takes Chongqing as an example, the paper makes a comprehensive analysis and evaluation on the state of land sustainable use from 2000 to 2004 in it.
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