动态关系使用类似的表结构将键属性彼此关联；否则，实现实例创建和删除自动化就需要提供额外的上下文信息。

Dynamic relationships use a similar table structure to associate key attributes with each other; however, automating the creation and deletion of instances requires additional context information.

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元素和属性表存储xml文档的结构容器。

The elements and attributes tables store the structural containers of the XML document.

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首先，应用到方法的属性必须完全声明返回的表结构。

First, the attributes applied to the method must fully declare the structure of the table that is returned.

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