应用文献资料法、比赛观察法、数理统计法、逻辑略论法等,对李娜参加本届法网的全部单打比赛进行略论探讨结果显示:一发得分、一发得分率、二发得分率、破发机会、破发次数、制胜分及总得分均优于对手,且均存在显著性异同(P〈0.05),这是李娜获得比赛胜利的关键因素;发球速度与欧美等运动员差距明显。
Abstract: By using the methods of documents,observation,statistics,and logical analysis,this article studies all Li Na's single matches in 2017 French Open.The results show that the differences are very significant on the proportion of first serve,second serve,the chance of service break,the times of service break,win point,total points won,Li Na is more than the opponent(P0.05),these are the key factors to win the game,but her serve speed exist obvious gap compared with the athletes in Europe and America. ,法语毕业论文,法语论文 |