每个pom语义部分都被表示为一个编辑器页，这增强了模型的整体可靠性。

Each POM semantic section is represented as an editor page, which enhances the global readability of the model.

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其中文法部分采用了上下文无关文法，语义部分则是一个带操作集的语义系统。

DOSFSG is a kind of context free grammar, DOSFSS is a kind of semantics with operation set.

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在清单4中，您可以看到添加了Span元素以区分文本中重要的语义部分以及表示其含义的属性。

In Listing 4, you can see span elements added to delimit the semantically significant bits of text, and attributes that indicate what they mean.

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What's the point? Again, you can have things that are syntactically legal but not semantically meaningful, and static semantics is going to be a way of helping us decide what expressions, what pieces of code, actually have real meaning to it. All right?

重点是什么？重申，你可以有东西在语义结构的逻辑上有意义,但是在语义上无意义，而static语义,将是一个帮助我们,决定哪些表达，哪部分的代码实际上，有意义的途径，好么？

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