PDF(610 KB)
PDF(610 KB)
PDF(610 KB)
城市创新跨边界合作与辐射距离探析——基于城市间合作申请专利数据的研究
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}The Cooperation Innovation Across City Boundary and Radiation Distance——Based on the Cross-city Cooperation-patent Application Data
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