本系统是在ＩＢＭ－ＰＣ机上应用ｄｂａｓｅ Ⅲ实现的。具有自动标引、机编索引、联机检索和定题服务等功能。采用“关键词的部件词一尾续词词典”和“非关键词部件词词典”对篇名（或文摘等）进行自动抽取关键词。其主要特点是采用“关键词规范化词典”对关键词进行规范处理，使同义词规范化，使同一族的一组词相对集中，显著提高了自动标引质量，从而提高了关键词法的检索效率。 The system is implemented on IBM-PC dbase Ⅲ. With automatic indexing, machine indexing, online search and fixed service functions. Keywords (or digest, etc.) are automatically extracted by using the “keyword word-tail dictionary” and “non-keyword component word dictionary”. Its main feature is the use of the “key word standardization dictionary” to regulate the key words, the synonym normalization, the same family of a relatively concentrated group of words, significantly improving the quality of automatic indexing, thereby enhancing the keyword search efficiency.