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马拉松全长42.195公里,从事马拉松项目的运动员无论是在训练中还是在比赛中体内的营养物质都将被大量地消耗或者流失。因此马拉松运动员必须通过科学的营养补充来恢复消耗的能量和物质。
With a total length of 42.195 km, the marathon runners will be consumed or lost in large quantities both during training and during the race. Therefore, marathon runners must restore the energy and material consumed through scientific nutritional supplements.