目录1. 使用Socket编程2. 使用WebSocket在Java中实现用户之间的通讯可以通过多种方式，这里我将介绍两种常见的方法：使用Socket编程和使用WebSocket。
I am working with a large list of points (each point has three dimensions x,y,z). I am pretty new with R, so I would like to know what is the best way to represent that kind of information.As far as
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