At one level, this means things such as synchronous and asynchronous communications, routing, transformation, high speed distribution of data, and gateways and protocol converters.

在一个层次上，这意味着数据的同步和异步通信、路由、转换和高速分布、以及网关和协议转换器等等。

youdao

So much so that the extra cost of the gateways that will be needed between the two telecommunications worlds do not bring the costs up to the same level as the costs for switched circuit telephone networks.

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