The research on residential space change would help to understand urban social and economic activities, and provide guidance for urban planning and development.

研究城市居住空间的变迁对于理解城市社会、经济的运行和变化，指导城市规划和建设具有重要意义。

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In recent years, theoretical research and practical explorations have been carried out to deal with aging society in developed countries, especially in urban planning and development field.

近年来，国际社会积极应对老龄社会问题，特别是在城市规划建设方面，有很多理论研究和实践探索。

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Franchising business is gas pipeline construction in the planning area to reach gas, urban heating gas reserves and to promote the development and application in gas vehicle refilling.

特许经营的业务为在规划区内燃气管道工程建设，达到燃气城市供暖。供气及燃气的储备。充装燃气汽车加气的开发与应用。

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This he believes will encourage business growth and lead to more rational long-term urban planning and infrastructure development.

CENTERFORSECURITYPOLICY: Freedom Flame 2013

"Our objective is to provide the basic infrastructure, planning and necessary management framework in creating satellite cities that reverses the current trend of unplanned development and urban congestion in most of Africa's growing cities, " says Tim Beighton, of Rendeavour, which is developing several new cities in Africa.

CNN: Africa's 'new cities': Urban future or utopian fantasies?