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For more than 15 centuries, the legend of Santa Claus has fascinated children the world over. And the Internet has now made it easier than ever to follow the progress of the jolly old man as he takes off from the North Pole on Christmas Eve and makes his rounds, delivering gifts to boys and g…
15个世纪以来，圣诞老人的传说令全世界的孩子们着迷。如今英特网让我们比以前更容易追随这位快乐老人的足迹——他圣诞夜从北极出发，环游世界，把礼物送到孩子们手中。 北美防空联合司令部通常用精密雷达追踪导弹，而自从1955年以来，这个雷达（系统）每年都用来追踪圣诞老人的足迹。如今，这个（追踪圣诞老人足迹的）行动已…