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作为区域创新生态系统的核心载体,副省级城市的科技创新能力是优化城市内部资源要素配置效率的关键变量。以2014—2022年中国15个副省级城市为研究对象,采用熵值法定量测算,结合雷达图分析法揭示结构差异特征,并通过实证检验其科技创新各维度之间的影响关系。研究发现:在空间维度上,副省级城市科技创新空间分布呈现显著的“南高北低”特征,南北差距持续扩大,且计划单列市与省会水平分异明显;在时间维度上,副省级城市科技创新能力可划分为积累提升、均衡发展和分化发展3个阶段。雷达图分析结果进一步显示,创新引领型城市整体发展相对均衡,而特色突破型城市则在部分核心维度存在明显短板,整体发展协调性欠佳。实证结果表明,副省级城市的科技投入支持力度与科技创新对经济发展的贡献均可显著提升其创新能力与技术转化程度。

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