当然，很少有 Python 程序员希望使用上面的诸如列表、元组和字典等日益复杂的数据结构。
Of course, few Python programmers want to work with increasingly complex forests of data structures like the lists, tuples, and dictionaries above.
pyRXP的元组树数据结构。
为了便于以后提供这种功能，将EIDB中的共同提及数据转换为一个面向三元组的模式，实现的方法是在数据库上定义一个具有这种结构的视图。
To accommodate this future possibility, the co-mention data in the EIDB is cast into a triples-oriented schema by defining a view on the database that has this structure.
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