PTV , also known as network TV, is based on IP protocol television services.
也叫网络电视，是指基于IP协议的电视广播服务。
The IP-based wireless network will become the core of next generation mobile network.
基于IP的无线网络将成为下一代移动网络的核心。
The IP-based wireless network will become the core of next generation mobile network.
基于IP的无线网络将成为下一代移动网络的核心。
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