比如，给定一个DTD的系统标识符和公共标识符，实体目录可用于规定XML处理程序从哪里加载dtd。

For example, an entity catalog can be used to specify the location from which an XML processor loads a DTD, given the system and public identifiers for that DTD.

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比如，给定一个DTD(文档类型定义，Document Type Definition)的系统标识符和公共标识符，实体目录(entity catalog)可用于规定XML处理程序从哪里加载dtd。

For example, you can use an entity catalog to specify the location from which an XML processor loads a Document Type Definition (DTD), given the system and public identifiers for that DTD.

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这个添加在 RelatedContexts 对象中的公共功能将第二个参数当作一个标识符，来显示外部连接是否是自动连接。

The public function Add in RelatedContexts object takes the second parameter as a flag to indicate whether the external connection is set for autoconnect or not.

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