这些特殊的翻译标记不仅向XML结构提供了逻辑组织，而且允许围绕xml语法分析器构建应用程序，以理解如何处理全球化数据。
These special translation tags not only lend a logical organization to the XML structure, they also allow an application built around an XML parser to understand how to process the globalized data.
逻辑上，每个规则表达式都等价于一个状态机，而每个规则表达式的语法分析器都实现这个状态机。
Every regular expression is logically equivalent to a state machine, and the parser of every regular expression implements a state machine.
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