【摘要】 介绍了系统建模中的时间相关概念,以及MSC和UML序列图对时间相关概念的表示.将MSC对时间强大的表示能力和准确的表达方法应用于UML序列图,对时间进行建模,提高了UML序列图的时间建模能力,进一步满足了实际系统,尤其是实时系统建模的要求.更多还原

【Abstract】 The time-related concepts in system modeling are introduced.Based on the similarities of MSC and UML sequence chart in time modeling,MSC’s powerful and exact expression method in timing is applied to UML sequence chart to establish time modeling.Thus improving the ability of UML sequence chart’s time modeling and meeting the requirements for real system especially real-time system.更多还原