To address the unsteady performance of common classifier in global environment and local region, this paper proposed a double-classification strategy and its implementation algorithm.

针对常见分类算法在全局和局部区域性能不一致的问题，提出了双层分类策略及其实现算法。

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To address the above problems of statistical classification methods, we propose a novel rule based classifier for railway transport information.

针对基于统计的分类方法的上述不足，本文进一步提出了新的基于规则的铁路运输信息数据分类方法。

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