域模型就像DSL的语法，它定义了域类(do．main class)和域关系(domain relationship)，即定义了组成模型的要素．并给出了将这些要素互相联系在一起的规则。
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... 外部索引键关联 foreign key association 网域关联 domain relationship 维度关联 dimension association ...
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Relationship Analysis builds off of previous domain integrity and Structural Analysis to find common keys or data elements and domains.
关系分析以之前的域完整性分析和结构分析为基础，旨在发现共同的键或数据元素和域。
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。
When the people in charge of one product or product area want a service from a domain, they makes a request and the two groups determine the relationship, creating a service-level agreement.
当主管某个产品或产品领域的人希望从域获得服务时，他们生成一个请求并且两个组确定相互联系，创建服务层次协定。
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