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Meanwhile, the back-end systems powering the venue, for cashless sales of merchandise and food, ticketing, or crowd control and safety, are also inter-connected.
，更多细节参见体育直播
At the other end of one of the SDLC links might be an IBM 3770 Data
南方周末：所以你几乎没有时间去“享受”这次胜利？