比赛出发 meaning in Chinese

racing start

In all u . s . swimming and fina competition , each swimmer ' s head must surface within 15 meters of the start of the race
在所有美国游泳比赛和国际泳联比赛，比赛出发后每个游泳运动员的头部必须在15米之内露出水面。
In all u . s . swimming and fina competition , each swimmer ' s head must surface within 15 meters of the start of the race
美国的所有比赛和国际泳联的比赛，在比赛出发后，要求每个游泳运动员必须在15米以内把头漏出水面。
This is a change from the 1988 fina rule change which stated that a swimmer must surface within 10 meters of the start of a race
这是从1988年开始的国际泳联的一次变更。原来的规定是每次比赛出发后游泳者必须在10米内露出水面。