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.
可以对链接表中的记录进行添加、删除和编辑等操作，但不能更改其结构。
You can add, delete, and edit records in a linked table, but you cannot change its structure.
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