Based on your data model, you should select partitioning keys that favor frequent joins and that are based on a primary key.

基于数据模型，选择那些有利于频繁合并且基于主键的分区键。

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In this dissertation, some key technologies related to the CAD model reconstruction based on Industrial ct slicing data are studied.

本文系统研究了基于工业CT切片数据的CAD模型重构所涉及到的关键技术。

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Based on the combination of SOA structural model and business data model, the key business collaborative system of virtual learning community is analyzed, and corresponding design and logical model.

结合基于SOA的结构模型和业务数据模型，对虚拟学习社区协同系统中的关键业务进行了分析和设计，并给出相应的逻辑模型。

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