在这个流程中，相关联的角色的职责是负责把它们的工作产品从入口状态转换到出口状态。

In this process, the associated role is responsible for transforming its work products from the entry to the exit states.

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名称——注册和控制用户出口的活动状态。

Name — To register and control the active state of the user exit.

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基本思想是它可以创建一个复合状态的完整模块，它具有清晰的转换入口点和出口点。

The basic idea is that you can make a composite state fully modular, with explicit points of transition entry and transition exit.

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