可扩展程序对象模型(EPOM)是用来具体刻画程序语法结构的一种抽象模型。

Extended program Object model (which is called EPOM) is a abstract model used to depict the syntax structure of a program.

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可扩展程序对象模型是一种用来刻画高级语言程序的抽象模型，利用该模型可以很方便地抽取出程序中各式各样的信息。

EPOM (extended program object model) is an abstract model used to characterize advanced language program. We can distill all kinds of information of program using EPOM.

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