A rules language is a domain specific language, containing constructs for defining of the business rules.

规则语言是一种特定于领域的语言，包含定义业务规则的构造。

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Advanced Functionality - commercial vs. open source: ModSecurity has an advanced rules language and a Lua API to allow for complex logic.

商业与开源产品高级功能对比：ModSecurity拥有一个高级的规则语言和Lua API以编写复杂逻辑。

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Flexibility and modifiability of business rules implementations is achieved through the rules maintenance support enabling dynamic changes (using the original rules language).

业务规则实现的灵活性和可修改性，通过激活动态变化的规则维护支持而实现(使用初始的规则语言)。

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Teachers need to make sure students understand the uses and rules of language.

VOA: special.2010.01.28

How can it activate the rules of a language from within and thus give rise to the designs which are properly own--its own?"

它又是如何使语言的规则发生作用,并且导致适当的属于自己的设计的？，“

耶鲁公开课 - 文学理论导论课程节选

While the Internet's use of language might change rapidly over the next few years, Johnson,Crystal and Jansen all point out that educators need to ensure that students maintain an academic understanding of the use and rules of language.

VOA: standard.2010.01.16

It said the person handling Cemlyn Davies' application to study French with politics there had "regrettably misinterpreted" its rules on language subjects.

BBC: CRE investigate Welsh exam 'rejections'

Steve Jenner, from the Plain English Campaign, said punctuation, including the apostrophe, was one of the basic rules of language and he described the council's decision as "nonsensical".

BBC: Apostrophe ban on Devon council's new street names

Most schools and government offices adopted the new language rules last year after the Constitutional Court rejected a legal challenge.

BBC: News | Europe | Germany adopts new language rules