情报学报  2018, Vol. 37 Issue (5): 495-502    DOI: 10.3772/j.issn.1000-0135.2018.05.006
  情报理论与应用 本期目录 | 过刊浏览 | 高级检索 |
基于专利共类的关键技术识别及技术发展模式研究
李瑞茜, 陈向东
北京航空航天大学经济管理学院,北京 100191
Patent Co-classification Based on Key Technology Identification and Research on Technology Development Mode
Li Ruixi, Chen Xiangdong
School of Economics and Management, Beihang University, Beijing 100191