Standard Generalized Markup Language (SGML) is used to mark the logic structure of text.

标准通用置标语言(SGML)是用来标记文件逻辑结构的语言。

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It's based on an international standard called standard Generalized Markup Language (SGML).

它是基于一个叫做标准归一化标记语言(sgml)的国际标准。

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XML is based on Standard Generalized Markup Language (SGML), defined in ISO 8879:1986 [ISO Standard].

XML 是基于 Standard Generalized Markup Language（标准通用标记语言，SGML）的，后者由 ISO 8879:1986 [ISO 标准]定义。

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Berners-Lee defined HTML in SGML, the Standard Generalized Markup Language.

CNN: XML for the absolute beginner