Step 2-g creates a new page template as a Struts Tiles definition element with the Content Area's mapping data.

步骤2 - G创建一个新的页面模版，像Struts Tiles定义元素一样有Content Area的映射数据。

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Using the concept of domain and the principle of template matching, the domain-relationship expression and its extension are developed to realize the semantic mapping from structured data to XML data.

利用域的概念和模板匹配的原理，引入域关系表达式及其扩展表达式来实现结构化数据到XML数据的语义映射。

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