首先，注意lure类型是根元素的一个属性。

First, note that the lure type is an attribute of the root element.

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分部类必须派生自支持根元素的类型。

The partial class must derive from the type that backs the root element.

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分部类必须派生自支持根元素的类型。

The partial class must derive from the type that backs the root element.

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