Example: a UML to Relational model transformation.

例子：一个UML到关联模型的转换。

The model in most common use today is the relational model.

该模型在最常见的使用方式，今天是关系模型。

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。

The use of these languages has been extended to the relational model.

这些语言的使用已经扩展到了关系模型中。

Today, the most common model is the relational model with the SQL standard.

目前，最常见的模型是采用 SQL 标准的关系模型。