应用实体扩展数据库技术，使特征携带非几何信息；
The feature schleps its information of non-geometry by database-externed technique of the entity.
这扩展了当前的数据模型；它使得你更容易地捕捉到关于所有与你互动的人和实体的信息。
This extends the current data model; it enables you to more easily capture information about all the people and entities you interact with.
本文通过扩展关系数据模型，形成了实体依赖关系数据模型，适用于组织有直接调用关系的模型或方法所组成的模型库或方法库。
This paper extends relational schema and then forms the entity-dependent relational schema, which can be used to organize model bases or method bases.
该文分析了递阶结构表达方式的不足，利用扩展的实体关联(eer)表达方式建立了产品的数据模型，并以油泵产品为例建立了产品数据模型的展开结构。
In this paper, we analyze the shortcomings of hierarchical structure, and build product model with extended entity relationship (EER) approach. A product model of fuel pump is shown as an example.
该文分析了递阶结构表达方式的不足，利用扩展的实体关联(eer)表达方式建立了产品的数据模型，并以油泵产品为例建立了产品数据模型的展开结构。
In this paper, we analyze the shortcomings of hierarchical structure, and build product model with extended entity relationship (EER) approach. A product model of fuel pump is shown as an example.
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