This data can only be classified within a business context and can't be classified using a simple hierarchical model, as shown in step 3.

此数据仅能在业务上下文中进行分类，而不能使用简单的层次结构模型（如第 3 步中的模型）进行分类。

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By introducing the subtraction clustering algorithm, the sample data are classified and the local model parameters are identified off-line using the corresponding data set.

引入减法聚类算法对样本数据进行分类，用得到的分类数据对局部模型参数进行离线辨识。

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The collected data were classified, optimized, longitudinally organized and processed in cross_sectional order by using information investigation and experts assessment.

采用情报调研和专家调查法，完成事实性的分类、优化、纵向及横向知识的组织和序化；

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