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52顆北鬥衛星完成「體檢」確保春節期間精準服務

52顆北鬥衛星完成「體檢」確保春節期間精準服務
sina.com.tw - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sina.com.tw Daily Mail and Mail on Sunday newspapers.