图1说明Internet并不是单一网络，而是通过对等点连接起来的超过12,000个网络。

Figure 1 represents that the Internet is not a single network but more than 12,000 networks connected by peering points.

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管道连接的对等点不一定要在物理上直接链接；可以通过多个中间管道来连接它们。

Pipe-connected peers are not necessarily directly physically linked; they can be connected through multiple intermediate pipes.

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create方法通过中继代理在JXTA网络上创建对等点、组和管道。

The create method creates peers, groups, and pipes on the JXTA network through the relay proxy.

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