网上购物订单系统的UML图分析，包括用例图、活动图、时序图等
Online shopping order system of the UML diagram analysis, including use case diagrams, activity diagram, sequence diagram, etc. (2011-05-31, PPT, 1123KB, 下载65次)
一个帮助uml初学者学习的学习资料，希望对大家有所帮助
UML for beginners to help study a study of the information, and they hope to help everyone (2009-02-11, PPT, 1552KB, 下载12次)
系统网络拓扑结构采用共享总线型，大型网络控制器NCE通过BACnet MS/TP现场总线连接下位的小型多功能DDC控制器FEC，实现数据共享和分散控制
System network topology using a shared bus-based, large-scale network controller NCE through the BACnet MS/TP field bus to connect the next bit of small multifunctional DDC controller FEC, data sharing and distributed control (2009-01-07, PPT, 1353KB, 下载159次)
一部介绍petri网模型的好书。
petri网理论提出自20世纪60年代，有严谨的数学基础，广泛的应用于工作流建模等领域。
a Petri net model on the books. Petri net theory since the 1960s, a strict mathematical basis, widely used for work flow modeling, and other fields. (2007-01-26, PPT, 873KB, 下载152次)