这些基于SQL的新应用程序正在利用现代数据中心开发概念，某些概念强调将更多业务规则和逻辑推到数据库中的重要性。
These new SQL based applications are taking advantage of modern data centric development concepts that stress the importance of pushing more of the business rules and logic into the database.
当一些翻译系统还在用那些基于语法的粗放规则时，Google利用它巨大的网页数据库和翻译文件使它的翻译系统的精确度得到改进。
And while some translation systems use crude rules based on the grammar of languages, Google is exploiting its vast database of websites and translated documents to improve the accuracy of its system.
主动规则集的可终止性判定是主动数据库中核心问题之一，利用触发图和活化图的方法来判定可终止性都存在一定的局限性。
Active rules termination is an important problem in active databases, proving termination by using triggering and activation graphs is a conservative approach.
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