EA&UML日拱一卒-活动图::14.2.3.4 States（状态）（2）

英文原文来自UML2.5，作者提供中文翻译。 14.2.3.4.3 State entry, exit, and doActivity Behaviors(状态入口，出口和doActivity行为) A State may have an associated entry Behavior. This Behavior, if defined, is executed whenever the S

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