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1. The cellular digital packet data system is widely used in modern communication networks.
蜂窝式数字数据系统在现代通信网络中得到了广泛应用。
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2. This cellular digital packet data system provides high-speed internet access for remote areas.
这个蜂窝式数字数据系统为偏远地区提供了高速互联网接入服务。
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3. The cellular digital packet data system has greatly improved the efficiency of data transmission.
蜂窝式数字数据系统大大提高了数据传输的效率。