NASCAR, the NFL, professional hockey, and other sports apply real-time video effects, such as the colored first-down line in football, based on precise geospatial data.
职业冰球和其他运动都开始应用实时视频效果，比如在橄榄球场上根据精确的位置数据给触地得分区加颜色。
2
He was the one who first set down the stories of the Celtic storytellers.