对费德勒硬地场网球比赛发球局技战术特点分析——以2010ATP年度总决赛为例
대비덕륵경지장망구비새발구국기전술특점분석——이2010ATP년도총결새위례
An Analysis of the Technical and Tactical Characteristics of Federer’s Serve in Hard Ground Tennis Court——Take 2010 ATP Annual Finals as an Example
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