Abstract: City has become the center of innovation because of its many advantages relative to village. City network is helpful to arouse city’s ability in technological innovation according to the formation of innovation networks, knowledge flow among innovators, innovation diffusion mode and efficiency. This paper measures the global features and individual characters of city network by using methods of complex social network based on airline flow data between Chinese cities. Then effects of city network on technological innovation are analyzed. Results show that expansion of city network’s absolute density and enhancement of cities’ connection can promote the level of technological innovation. Strong links between cities affect knowledge flow and facilitate technological innovation. The centricity of city network determines the distribution of connection and affects innovation diffusion and knowledge flow within network. Higher degree centrality city has higher potential for innovation. Higher betweenness centrality city has strong control force in knowledge and innovation diffusion. In the end, some conclusions and suggestions are put forward.

摘要： 城市相对于乡村的诸多优势使其成为创新中心，城市间联系的网络化趋势对创新网络形成、创新主体间知识流动及创新扩散模式与效率产生影响，有利于激发城市的技术创新。依据中国城市之间的航空流数据，利用复杂社会网络分析方法，测度城市网络的整体特征及个体特征，进而考察城市网络对技术创新的实际影响效应，结果显示：城市网络绝对密度扩大及城市间关联度的增强推动技术创新水平的提升，城市间强联结影响知识流动并促进技术创新；网络的中心性水平决定着城市间连接的分布，影响网络内技术创新扩散和知识流动的潜力；度中心性较高的城市具有更高的创新潜力和创新绩效，介中心性较高的城市节点拥有对知识和创新成果扩散的较强控制力。结论对于明晰网络时代的城市发展动力及方向、提升城市创新能力具有启示意义。

关键词: 城市网络, 技术创新, 理论机制, 整体特征, 个体特征, City Network, Technological Innovation, Theoretical Mechanism, Global Feature, Individual Character