In fact, these data categories are the real thing, and the hierarchy inside each profile is a virtual copy of the same structure.

实际上，这些数据类别是真实的，而配置文件中的结构则是这个结构的虚拟副本。

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PL/SQL is a process language of ORACLE, including a complete set of data categories, conditional structure, loop structure and exceptional processing structure.

PL/SQL是ORACLE的过程化语言，包括一整套的数据类型、条件结构、循环结构和异常处理结构。

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The simulation results show that the composition model can reduce the information interference among the different data categories and improve the inferential accuracy of the model.

仿真实验表明该组合模型能降低相邻类别间的信息干扰，提高模型的估计精度。

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Inside each sphere or square are more spheres or squares, subdividing data into finer categories.

FORBES: Finding Meaning In A Google World

Retail sales data excludes volatile categories like autos, gas and building materials and includes discretionary purchases such as electronics, furniture and apparel.

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But it warned ministers would be able to demand "potentially limitless categories of data" unless the draft bill was amended.

BBC: Draft Communications Data Bill cannot proceed - Nick Clegg