本文译自奥斯汀所著《保留上下文索引:概念分析与主题标引手册》的第2章,简明扼要地闸述了保留上下文索引的生成技术——分析文献;编写词串;计算机生成款目;拳照引入并与款目合并等等,实为了解、研究PRECIS之入门。 This article translates from chapter 2 of Austin’s book, “Preserving Context Indexes: A Conceptual Analysis and Thematic Indexing Handbook,” to concisely and succinctly describe the techniques for preserving contextual indexing - analyzing the literature, writing the string of words, generating computer-generated accounts, The introduction of boxing photos and the merger with the title and so on, in fact, to understand, study PRECIS entry.