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将Ｐｅｔｒｉ网用于间歇生产过程中离散事件的建模，讨论了离散事件活动的顺序、同步、资源共享竞争协调控制问题．文中同时给出了一个间歇精细化工过程的例．
Petri nets are used to model discrete events in batch production. The order, synchronization, and resource sharing competition of discrete events are discussed. The article also gives an example of intermittent fine chemical process.