在比赛之后,运动员究竟跑得怎么样,一般来说,教练员和运动员是没有客观的信息。他们只知道运动员的准确成绩,甚至有经验的专家也不能单凭肉眼评定自己学员跑的技术。本文通过对国内外优秀男子百米这三个不同因素所描绘出来的速度曲线的研究,可以判断运动员成绩的优劣,并能找到 After the game, athletes exactly how to run, in general, coaches and athletes is no objective information. They only know the accurate results of athletes, and even experienced experts can not assess the skills of their trainees by naked eyes alone. In this paper, through the study of the speed curve depicted by the three different factors of 100 meters of outstanding men at home and abroad, we can judge the pros and cons of athletes' performance and find out