以创新动力论为理论基础，从科技人力支持、科技物质支持、城市创新偏好、城市需求拉动和城市科技服务5个方面，选取18个评价指标，采用时序全局因子分析的方法，对2003-2012年浙江11个城市的科技驱动力进行评价，对城市科技驱动力的动态变化规律进行分析。运用系统聚类方法将城市划分为3个层次，运用梯度分析将城市划分为由低至高的3个梯度，分析显示城市科技驱动力的空间分异原因在于城市创新偏好和城市科技服务。
The city's driving force of science and technology is the comprehensive driving factor of scientific and technological progress, and is the reason of the difference of regional science and technology. Based on the theory of innovation motivation, the paper selects 18 evaluation indexes from five aspects i.e., human support, material support, innovation preferences, demand pull and science and technology service, and uses the data from 2003 to 2012 of 11 cities in Zhejiang to analyze the dynamic change rules of the urban driving force of science and technology by means of weighting method with timing global factor analysis. The 11 cities are divided into three levels by system clustering method and three gradients by gradient analysis. The reasons of time-spacial differentiation of the city's driving force of science and technology are shown through variation analysis as innovation preferences and science and technology services.
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