Figure 6: Reverse engineered meta-model for entity relationship models.

图6：实体关系模型的反向工程元模型。

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These models can be very detailed, showing full entity, relationship and attribute structures and can even have higher-level visualization of the core relationships between coarse grained concepts.

这些模型可能非常详细，显示全部的实体、关系和属性结构，甚至具有粗粒度概念之间的核心关系的更高级的可视化表示。

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Certain forms of rules are implicit in the definition of the business types in the model, and manifest in UML and entity relationship (er) models of the business types of the modeled domain.

有些形式的规则在模型中的业务类型定义中是隐式的，它们出现在被建模领域的业务类型的UML和实体关系(ER)模型中。

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