Often, the available data structures within a language define the way the language is used.

通常，一个语言中可用的数据结构定义了语言的使用方式。

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The Internet is built on open technical standards, from Internet protocol to move packets of data around to hypertext mark-up language to define the appearance of web pages.

互联网在开放式的技术标准上建立，从用来传输数据包的互联网协议到定义网页外观的超文本链接语言都是如此。

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Structured Query language (SQL) : a standardized language used to define objects and manipulate data in a relational database.

结构化查询语言(Structured Query Language, SQL)：一种标准化语言，用于在关系数据库中定义对象及操纵数据。

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