Figure 2 is a flow chart representing a simple state machine for a PurchaseOrder.
图2是一个表示PurchaseOrder的简单状态机的流程图。
Finite state machine is used for the dynamic behavior of system modeling, which is represented by visual state chart. And the finite state machine is a powerful tool of reaction system modeling.
有限状态机用于对系统的动态行为建模，一般用状态图来可视化表示，是对反应式系统建模的一种强大工具。
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