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尽管3G和4G无线数据网络、服务与终端的定义一直在变,但一些早已承诺的3G功能正开始现身。同时,4G的部署则进一步延缓。
Although the definition of 3G and 4G wireless data networks, services and terminals has been changing, some of the promised 3G features are starting to show off. Meanwhile, the deployment of 4G is further delayed.