奥运风云：体育科学相约奥运会(三)

http://2008.sina.com.cn 2008年02月23日23:26  新浪体育讯

　　Swimmers are the only racing competitors who don't cross a finish line. Instead they have electronic touch boards at the end of each pool lane that will accurately record the end of each length.

　　游泳选手是唯一不需要通过终点线的速度比赛选手，取而代之的是安装在泳道末端的电动计时触板，它将精确地记录下选手们每次游到终点的时间。