需求说明者可能也要负责一个用例包，并维护这个包的完整性。

The requirements specifier may also be responsible for a use-case package, and maintains the integrity of that package. 1

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用例包图的读者主要是项目的各种涉众，因此图形的组织必须满足他们的需求。

The primary audience of use-case package diagrams is project stakeholders; therefore, the organization of these diagrams should reflect their needs.

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例如，如果两个用例包图之间存在依赖，很可能一个包中的某个用例和另一个包中的某个用例之间存在包含、扩展或者继承关系。

For example, if it's a use-case package diagram, then there is likely an include, extend, or inheritance relationship between a use case in one package and one in the other package.

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