其中某些还非常重要，例如代码冗余检测程序。
Some are quite big, such as code duplicates detection routine.
改进的Ruby代码分析以及新的代码冗余检测程序。
Improved Ruby code analysis and new code duplicates detection routine.
XML保持语义下的冗余检测问题对于防止XML文档的更新异常和减少XML冗余信息的存储具有很大意义，是XML规范化理论的关键问题之一。
The problem of XML redundancy detection with semantics is very meaningful to prevent update anomalies and the key problem of XML normalization theory.
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