在结构安全管理数据可视化分析中，首先是对数据进行预处理，通过数据集成、数据选择和数据转换形成可视化分析的数据集。
In the DV analysis for the structure safety administration, we firstly did the data pretreatment by means of data integration, selection and transformation to get the data aggregate for visualization.
基于粗糙集理论的数据挖掘技术，通过数据训练集所训练得到的算法模型能够有效用于疾病诊断。
The data mining technology based on the rough set theory can be trained through the training data set.
通过数据库类，可以使用记录集对象来选择和访问结果集。
With the database classes, you use a recordset object to select and access the result set.
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