Urban Economic Contact; Geo-Economic Relationship; Urban Economic Region; Daxing'an Mountain Range;
经济联系量；地缘经济关系；城市经济区；大兴安岭地区；
Just because of this, the study on urban economic region is becoming the important content of the research of international regional economy.
正是因为如此，对城市经济区域的研究也正在成为国际区域经济研究的重要内容。
As the growth pole of a country or a region, urban areas should always pursue economic efficiency.
城市作为国家和区域经济的增长极，应该以追求效率为目标。
Modern urban-rural is a complicated social and economic regional system. Urban and rural consist of two sub-system of region by the interrelation and interaction of every element.
现代城市与乡村是一个复杂的社会经济地域系统，城市与乡村通过各种要素流的相互联系与相互作用构成了区域系统的两大子系统。
Modern urban-rural is a complicated social and economic regional system. Urban and rural consist of two sub-system of region by the interrelation and interaction of every element.
现代城市与乡村是一个复杂的社会经济地域系统，城市与乡村通过各种要素流的相互联系与相互作用构成了区域系统的两大子系统。
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