基于专利文献的技术演化分析方法评述

胡阿沛;张静;张晓宇

A Review on the Method of Analyzing Technological Evolution Based on Patent Documents

Hu Apei;Zhang Jing;Zhang Xiaoyu

Journal of Modern Information . 2013, (10): 172 -176 . DOI: 10.3969/j.issn.1008-0821.2013.10.040