EA&UML日拱一卒-活動圖::14.2.3.4 States（狀態）（1）

英文原文來自UML2.5，作者提供中文翻譯。 14.2.3.4 States（狀態） A State models a situation in the execution of a StateMachine Behavior during which some invariant condition holds. In most cases this condition is not expli

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