大回转是高山滑雪和單板滑雪中的比賽项目。運動員要在旗門劃定的路線上進行比賽。大回轉旗門之间的距离以及比赛的速度比回转中的旗門距离大,但比超级大回转的距离要小。大回转赛道高度落差在250至450米之间,赛道中设置46至70个旗门,旗门门宽在4至8米,上下两个旗门间距不少于10米。[1]
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Iver_Bjerkestrand_giant_slalom_Norway_2011.jpg/640px-Iver_Bjerkestrand_giant_slalom_Norway_2011.jpg)
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