【摘要】 通过对网络信息资源检索系统特点的分析 ,从国内外著名化学资源导航系统入手 ,介绍了Internet化学专题信息资源的检索方法和途径更多还原

【Abstract】 By means of analyzing the features of information resource retrieval systems and starting from chemical resource navigation system both at home and abroad,the paper introduces retrieval methods and pathways of chemical information resource in Internet.更多还原