Based on the relation between the objects and the contents pointed, Pointers can be classified into two types: embedded Pointers and exterior Pointers.

对于内部含有指针的对象，根据对象与其中的指针所指向内容的关系，可以把指针分为内含式和外联式两类。

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RDDL USES XHTML to provide prose descriptions of the vocabulary with embedded XLink (covered in this article) to provide Pointers to key resources for helping understand or process the namespace.

RDDL使用XHTML提供词汇表的简单描述，用内嵌的XLink(将在本文中讨论)提供到重要资源的指针，帮助理解和处理这种名称空间。

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The Pointers to technical resources for the namespace are expressed using embedded XLinks.

指向名称空间技术资源的指针用内嵌的XLink表示。

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