Using the latest visualization technology and scientometric methods, the paper draws the knowledge mapping of research frontier of contemporary international technological innovation,and concludes nine knowledge clusters and the structure of‘ core knowledge cluster-sub knowledge cluster- margin knowledge cluster', ie the pattern of three levels of core-developing- margin. Besides,the paper measures research topic of every knowledge cluster by the content analysis of representative cited document and the anatomy of descriptor of citing document.%运用最新可视化技术与科学计量学方法,绘制当代国际技术创新研究前沿知识图谱,得知其存在9个知识群,形成"核心知识群-次级知识群-边缘知识群",即"核心-衍生-边缘"3个层次的格局.通过对代表性被引文献的内容及施引文献关键词的词频与内容的分析,计量出各知识群的研究主题所在.
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