使用这种转换文法，可以描述程序语言之间的形式转换。

This transformation grammar can be used to describe the formal transformation between programming languages.

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程序转换算法根据转换文法，可把源语言程序转换为目标语言程序。

According to this transformation grammar, a program transformation algorithm can transform source language programs into object language programs.

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本文介绍了关于英语转换文法的描述。用增厂转移网络实现了英语转换文法的功能。

This paper simply describes transformational grammar of English. It is Implemented in Augmented Transition Networks.

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