中文摘要：

在流程建模中,UML技术和Petri网技术各自发挥着十分重要的作用.分析了UML技术和Petri网技术各自的优缺点及在流程建模中的应用,提出了一种基于UML技术和Petri网技术相结合建立系统流程模型的方法,并给出了相应的技术路线.在此基础上,以兵团空间信息系统服务获取流程建模为例,对所提出的方法和技术路线进行了验证.

英文摘要：

UML and Petri Nets both play very important roles in flow modeling.The advantage and disadvantage of UML and Petri Nets,and application in flow modeling have been analyzed.Then a method of building system flow model based on UML and Petri Nets is given,and correlative technology route is also given in this paper.As an example,corps spatial information system services gained flow model is used to validate the method and route.