产业政策对新能源汽车企业技术创新的影响——基于政策文本的LDA模型分析
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The Impact of Industrial Policies on the Technological Innovation of New Energy Vehicle Enterprises:An Analysis of the LDA Model Based on Policy Texts
Yang Changjin,Luo Renjie,Huang Jun,Qi Huarui,TangHaoran
科技进步与对策
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2025, (14): 114
-126
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DOI: 10.6049/kjjbydc.2023120737