Both of these are referenced elements found later in the schema instance.

稍后您将发现，这两个元素将在模式实例中被引用。

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Listing 2 demonstrates the initial elements and attributes of the hierarchy within an XML schema instance.

清单2展示了一个XML模式实例中的初始元素和属性的层次结构。

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Listing 2 demonstrates the initial elements and attributes of the hierarchy within an XML schema instance.

清单2展示了一个XML模式实例中的初始元素和属性的层次结构。

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