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这是由PTR中国提供的2010年“循序渐进教学”系列专栏的第五篇文章。每一篇专栏文章都会教授一种特殊的击球技巧。无论你是学员还是教练,本专栏都会在“由简入难”的过程中让你享受网球的乐趣。PTR是世界最大的国际性网球教练员组织,为网球教学专业人士和教练提供高质量的培训、全球认证以及卓越的会员服务,在全球122个国家拥有超过14,000名会员。PTR组织旨在推动网球运动的发展,致力于让世界变得不同。
This is the fifth article by PTR China in the 2010 “Gradual Instruction” series. Each column will teach a special hitting skills. Whether you are a trainee or a coaching staff, this column will give you the pleasure of playing tennis in the easy way. PTR is the world’s largest international tennis coaching organization that provides tennis teaching professionals and coaches with high quality training, global accreditation and outstanding membership services with more than 14,000 members in 122 countries. PTR organization aims to promote the development of tennis, is committed to make the world different.