摘要
SGML（StandardGeneralizedMarkupLanguage）是源自印刷出版领域的信息技术，它即是一种标准通用置标语言，又是一种文本描述语言，它具有建设和维护、交换的流通、建设检索用数据库以及制作电子图书等功能。
SGML is the information technology coming from the field printing. It is a standard generalized markup language and a document descreption language. It has many functions, such as constructing indexed database and electronic books etc.
