H you need to extend beyond the network limit, you must add a device called a repeater.
如果想要将网络延仲超过界限,就必须向网络添加被称为中继器的设备。
Beyond the network operation itself, the operator manages data about customers and the services to which they subscribe, and most of that data must be accessed in real time.
除了网络运营本身外,运营商还需要管理关于客户和客户所订服务的数据,其中大部分数据必须能够实时地访问。
The 4G network will also expand the list of supported devices beyond just cellphones and USB modems.
这种4G无线网络可以支持的设备种类将不仅限于手机和USB无线猫。
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