Their short-distance radios relay information to each other in a web and pass it to a satellite unit at the edge that feeds into the National Interagency Fire Center’s network.

网点的短距离无线电能在一个网络内彼此中转信息，然后把它传送给设在森林边缘的卫星装置，再由卫星装置发送到美国国家跨部会消防中心的网络。

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Taking a case study approach to several deployment scenarios, the primary focus is on how ATM, Ethernet, and Frame Relay edge services can be deployed over packet-switched networks.

通过案例研究讲解集中部署方案，重点介绍ATM、以太网和帧中继边缘服务如何能够部署在分组交换网络中。

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