【摘要】 通过对近年来发表的国内外有关油菜文献的关键词词频统计,以及对关键词形成的共词矩阵进行聚类分析,反映出近年来国内外在油菜研究领域的热点问题以及研究动向,并对国内外研究热点的差异展开讨论,为油菜研究工作者提供参考。更多还原

【Abstract】 The paper has conducted cluster analysis of co-word matrixes through key word frequency statistics of rapeseed pa- pers published in recent years both at home and abroad, which have reflected hot spots and research orientation in rapeseed re- search both at home and abroad, discussed the differences of research hot spots both at home and abroad, and provided refer- ence for rapeseed research worker in China.更多还原