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the second generation mobile communication technology
释义
the second generation mobile communication technology
Encyclopedia
工学
【移动通信标准】
释
the second generation mobile communication technology
第二代移动通信技术
以数字语音传输技术为核心,能够实现语音通话和少量数据传输的移动通信技术。俗称2G。
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roulette
roulette and splitting method
roulette method
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Round Carved Red Lacquer Box with a Scene of Paying a Lion as a Tribute to the Imperial Court of the Ming Dynasty
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