求翻译：源于美国针对城市无序蔓延而提出的精明增长理念，其核心思想是城市采取适度集中的布局模式，节约资源，实现城市的可持续发展。而当前快速城市化时期，关中县城粗放式的发展，不但浪费资源，而且县城建设质量不高，与可持续发展背道而驰。关中县城新区在现阶段是陕西城镇建设的重中之重，在关中县城新区建设方兴未艾的大环境下，引入该理论研究关中县城新区规划问题，探讨解决策略显得恰逢其时，对今后关中县城新区的规划建设具有一定的理论指导和现实意义。是什么意思？

From the urban sprawl smart growth philosophy, its core idea of ​​the city to take a moderate concentration of the layout patterns, resource conservation, sustainable development of cities. The current period of rapid urbanization, off in the county of extensive development, not only a waste of reso

Originating in the United States in relation to urban sprawl and Smart Growth concepts, and the core idea is to take an appropriate concentration of urban layout mode, saving resources and to achieve sustainable development in the cities. Rapid urbanization and the current period, as the county seat

The source in US the astute growth idea which proposed in view of the city disorder spread, its core thought is the city adopts the moderate centralism the layout pattern, saves the resources, realizes the city sustainable development.But current fast urbanized time, Guanzhong county seat extensive

From the United States brought against the spread of urban disorder and the smart growth concept, the core idea is the layout model of urban take subsidiarity, saving resources, achieving sustainable urban development. Current period of rapid urbanization, Guanzhong County because of the extensive d

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