The parent record at the top of the database is caved the root record.

在数据库顶端的母记录叫做根记录。

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In a hierarchical data structure, each root record may have many associated records at the next level down in the hierarchy, and there may be many additional subordinate levels.

在一个分层的数据结构，每根的纪录，可能是有很多相关记录，在下次的水平下降，在层次，并有可能成为许多额外的下级。

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One record -- for Helen Rakai -- comes close because it contains a root element with a sub-element that belongs to the namespace specified.

Helen Rakai 的那条记录也没有返回，因为它包含一个 根元素，该元素有一个 子元素，后者属于指定的名称空间。

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Officials said the goal was to root out prospective contractors that have a poor "record of integrity and business ethics, " and to combat fraud and abuse.

CNN: Clinton contracting rules opposed by business