摘要
指出利用美国化学文摘的主题索引检索文献时,易发生漏检的原因在于它采用先组式标题词语言而难于实现多途径检索。总结了常见的五种漏检情况,分析其原因并提出相应的防止方法。
The basic cause for the index omission occured when using the subject index of Chemical (US) to search documents is that the retrieval language of the subject of CA is precordinate and difficult to achieve multiple searching.Five index omissions occured in documental retrieval and the preventive methods related have been summed up.