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中文摘要：
以关中城市群为研究区,选取2004年和2014年两个截面数据,构建服务业综合实力指标体系,从联系强度、服务功能和竞合关系三个角度出发,借助引力模型、城市流模型、地缘经济关系模型对关中城市群服务业空间相互作用进行测度。结果表明：（1）关中城市群联系强度逐年增大,地区差异较大,呈现出以西安为中心的“中心—外围”空间结构;（2）服务功能差异较大,外向服务功能高度集聚于中心城市,城市流强度也较大,外围城市服务业外向性较差;（3）竞合关系在与中心城市之间以互补型关系为主,外围服务业欠发达城市之间竞争型关系占主导,整体上向竞争与互补不确定型演变。
英文摘要：
Takiag the Guanzhong urban agglomeration as the research area, this paper selected two cross section data in 2004 and 2014, compre- hensively ＂strengthened index system of building services, from contact strength, service functions and mixed three perspective, using gravity model, ur- ban flow model, the economic geography relation model to measure the Guanzhong urban agglomeration spatial interaction service industry. The results showed that ：①The contact strength increased year by year, but the regional difference was larger, presented in Xi＇an as the center of the ＂core - pe- riphery＂spatial structure. ②The service function differences, outgoing service function highly gathered in central cities, urban flow intensity was also bigger,peripheral urban services extroversion was poorer. ③Mixed in with the central city was given priority to with complementary relationship between the peripheral services, dominant competitive relationship between the less developed cities, the overall relationship between the urban agglomeration in the main competition to the competition and complementary multi- parametric evolution.
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