本文由引言、正文、结语三部分组成,约四万字,正文分三章。第一章中外科技文摘索引系统的现状。分网外与国内两部分进行概述。主要用比较的方法将中外科技文摘索引系统的现状在五个方面进行比较。1、在组成系统的层次方面;2、在索引的数目方面;3、在索引的种类方面;4、在索引编制技术方面; This article consists of three parts: introduction, main text and epilogue, about forty thousand words, the text is divided into three chapters. The first chapter of Chinese and foreign science and technology abstracts index system present situation. Sub-network and domestic two parts overview. The comparison of the status quo of Chinese and foreign science and technology abstracts index system is carried out in five aspects. 1, in the composition of the system level; 2, the number of indexes; 3, in terms of the type of index; 4, in indexing technology;