You can then refine search results by using search scopes, and by defining membership to the search scope with scope rules.

接着，我们还可以使用搜索范围来细化搜索结果，并通过范围规则来定义范围中的成员。

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Chapter 4 covers functions and program structure - external variables, scope rules, multiple source files, and so on - and also touches on the preprocessor.

第4章介绍函数和程序结构—外部变量、作用域规则和多个源文件等，并涉及到预处理器。

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But, where and how do these Scope rules get set?

但是，作用域规则在哪儿设置？怎么设置的？

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The treaty to seal the round, signed in 1994, enormously increased the scope of trade rules.

ECONOMIST: A survey of world trade

Indeed, the question presented in a majority of recent Supreme Court Takings Clause cases has involved the scope of those rules.

FORBES: Supreme Court Observations: Takings Ruling a Lump of Coal, Not a Gift, for Landowners

In these rules lies the scope for an upset.

ECONOMIST: Britain is in store for another perilously close election