The combination of theory and practice is embodied in three aspects: translation brief, source-text analysis, and translation problems.

这一理论与实践的结合具体体现在三个方面，即翻译纲要、原文分析及翻译问题的确定。

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This serves as a foundation for the latter source text analysis.

这些都为后来的源文本分析奠定了基础。

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In natural language retrieval, it is an important job to process users 'queries, while syntax analysis is an important method both for users 'queries and for source text analysis.

自然语言检索中的一项重要工作就是对用户提问进行处理，而句法分析既是对用户提问进行处理的必须环节，也是对源文本分析的一个重要方法。

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