1.NGB建设取得实质性进展NGB是在有线电视数字化和移动多媒体广播电视(CMMB)的成果基础上,以自主创新的高性能宽带信息网(3TNeT)核心技术为支撑,构建的适合我国国情的、三网融合的、有线无线相结合的、全程全网的下一代广播电视网络。它具备双向交互、组播、推送播存和广播四种模式,具有“高宽带、强交互、可管控”的技术特性。 1. Significant Progress in NGB Construction NGB builds on the achievements of cable television digitization and mobile multimedia broadcasting and television (CMMB), supported by the core technology of self-innovation high-performance broadband information network (3TNeT), which is suitable for China’s national conditions , Triple play, wired and wireless combination of the whole network of the next generation of broadcast television networks. It has four modes of bidirectional interaction, multicast, push broadcast and broadcast, and has the technical characteristics of “high bandwidth, strong interaction and controllable.”