If it makes sense to talk about your programming problem in terms of categories of behavior in response to events, your solution is likely to be an explicit state machine.
如果有必要按响应事件行为的类别来讨论编程问题，那么您的解决方案很可能是显式状态机。
To help answer specific questions about presenting a speech, we will consider three major categories of nonverbal behavior that affect delivery: body language, eye contact, facial expression.
为了帮助解答演讲的具体问题，我们将影响发言的无文字行为分为三大类型：肢体语言、眼神交流、面部表情。
In UML 2 there are two basic categories of diagrams: structure diagrams and behavior diagrams.
在UML 2中有二种基本的图范畴：结构图和行为图。
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