To import a schema, you use a schema import element in the types section, as shown in Listing 8.

要导入某个模式，您可以在types部分使用import元素，如清单8所示。

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Specifically, these UML relationships will generate XML schema import statements, allowing us to model domain schema easily and naturally as a set of related component schema.

特别地，这些U ML关系将产生XML模式导入声明，使我们能够简单方便地为具体领域的模式建立模型，并把它们作为一组相关模式组件。

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The XMLNS domain is considered a better practice for better performance and to avoid defining the layout of the dictionary either by hand or through the XML schema import (or equivalent).

在获得更好的性能和免于手工或通过XML Schema导入(或同等方式)定义目录的布局方面，xmlns域被认为是一种更好的做法。

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