The domain model typically shows the major business entities, their functional responsibilities, and the relationships among the entities.

领域模型展示了主要商业实体，它们的功能责任，以及实体之间的关系。

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This article defines specific functional roles to make responsibilities clear - and intents and purposes, too.

本文定义了特定的功能性角色，以更清晰的分配责任、意图和目的。

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These interfaces encapsulate the responsibilities of the roles (service or requisition functional capabilities or operations).

这些接口封装了角色(服务或者请求功能或者操作)的职责。

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