You have so far seen the concept of logical data models, domain models, and physical data models.

到目前为止，已经介绍了逻辑数据模型、领域模型和物理数据模型的概念。

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Now try to understand the concept of a domain and how it fits in here.

现在，试着理解领域的概念以及它在这里的作用。

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With the concept of domain ownership, there are some more new roles and responsibilities that should be provided for the development life cycle in a SOA engagement, as outlined in Table 1 below.

根据域所有权的概念，一些新的角色和职责应被提供给在SOA项目中的开发生命周期，如下面的表格1所描述。

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But now Miami-Dade County, within which the city sits, has taken legal action to seize the site under the concept of eminent domain.

ECONOMIST: America��s roots