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This query would be much more difficult to represent in a relational query language.
而在关系查询语言中，该查询表示起来将会困难得多。
youdao
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There is a basic relational model of organization of language.
在语言结构当中存在着相互关系的模式。
youdao
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There is a basic relational model of organization of language.
在语言结构当中存在着相互关系的模式。
youdao