该实现考虑与算法可供设计源级转换系统及进行C程序设计时参考。
The implementation consideration and the algorithm can be used for the reference in designing source-to-source conversion systems and programming in C.
驱动程序将这些调用转换成DBMS可使用的命令，因而简化了开发人员的工作，使得广泛的数据源都可以使用它。
The driver translates the calls into commands its DBMS can use, simplifying the developer's work and making it available for a wide range of data sources.
该提供程序将从物理数据源返回的结果集转换为概念性实体。
It translates result sets returned from physical data sources into conceptual entities.
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