The atom data can be queried with traditional relational methods, which for non-hierarchical data is more efficient than XML navigation.
原子数据可以用传统的关系型方法进行查询，而对于非层次数据，这要比XML导航更为有效。
The atom data can be queried with traditional relational methods, which for non-hierarchical data is more efficient than XML navigation.
原子数据可以用传统的关系型方法进行查询，而对于非层次数据，这要比XML导航更为有效。
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