By Evaluation system established S&T input-output evaluation system, this paper studies S&T input and developing status of provincial capital economic circle, applies entropy method to determine the index weight, analysis in-depth on core elements of science and technology innovation, conducts comparative analysis and classiifcation research to each S&T input-output district-city in it by cluster analysis, and brought out to countermeasure and proposal to enhance the overall science and technology input and output level of economic circle .%通过构建科技创新体系评价指标，研究山东省会城市群经济圈科技投入与发展现状。运用熵值法确定指标权重，对科技创新的核心因素进行深入分析，结合聚类分析法对经济圈内各地市的科技投入与产出情况进行比较评价和分类研究，并给出提升经济圈科技投入与产出水平的对策建议。
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