然后着重介绍了国际上对新世纪初准备实现的新一代国家通信网基础结构的具体设想，其中包括以分组为基的核心网和各种宽带接入网。
Finally, it emphatically describes the international proposals on new generation communication network for the next century, including the packet-based core network and broadband access networks.
较详细地描述新一代以数据为重心、分组为基本的核心网轮廓并描绘了第三代无线蜂窝网和移动卫星系统的前景。
The paper attempts in detail to describe the outlook of data centric, packet based core network for national fixed telecommunications…
较详细地描述新一代以数据为重心、分组为基本的核心网轮廓并描绘了第三代无线蜂窝网和移动卫星系统的前景。
The paper attempts in detail to describe the outlook of data centric, packet based core network for national fixed telecommunications…
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