The development of innovation integration of the Yangtze River Delta is an important strategic in China.By constructing the Yangtze River Delta innovative gravity model,this paper investigates the urban development level,innovation level,total gravitational strength and gravitational network structure characteristics,as well as the innovative radiation intensity and radiation hinterland of the core cities.Our results indicate that the innovative gravity among the Yangtze River Delta cities is a market-oriented gravitational force that transcends the administrative boundary.Its distribution also displays the “core-edge” innovation gravitational network structure.Therefore,the Yangtze River Delta should integrate their local innovation network with the overall innovation network according to the spatial geography and marketization.It is necessary to build up the innovation integration strategy for the Yangtze River Delta,accelerate the integration of innovation resources in the Yangtze River Delta and industrial integration.The integrated construction of the infrastructure and system of the Yangtze River Delta will promote the creation of the core innovation growth pole and the innovation network of the north and south areas to form a more integrated innovation network.
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机译：长江三角洲的创新整合的发展是中国的一个重要战略。通过构建长江三角洲创新的重力模型，研究了城市发展水平，创新水平，总引力强度和引力网络结构特征，以及核心城市的创新辐射强度和辐射腹地。我们的结果表明，长江三角洲城市的创新重力是一种以市场为导向的引力，超越行政边界。分布也显示出“核心边缘”创新引力网络结构。因此，长江三角洲应根据空间地理和市场化将其当地创新网络与整体创新网络集成。对于长江三角洲建立创新一体化战略，加快了创新资源的整合在yangtze r IVER DELTA和产业一体化。长江三角洲基础设施和系统的综合建设将促进北方和南方地区核心创新增长极和创新网络的创新，形成更加综合的创新网络。
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