快闪族，是指一群人突然在公共场所聚集，在短时间内做一些不寻常的事情，然后迅速散开。
A flash mob is a group of people who come together suddenly in a public place, do something unusual for a short period of time, and then quickly break up.
工作记忆是指，我们在一段短时间内掌握和使用有限数量的信息的能力。
Working memory refers to our ability to hold and manipulate limited amounts of information for a short period of time.
极小广播网络就是指能在最短时间内广播一条消息的通讯网络。
A minimal broadcast network is a communication network in which a message can be broadcasted in minimum time.
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