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通过对后排进攻的技、战术特点分析和对１９９７年世界男排联赛有效后排进攻球的发动区域及球的落点的统计分析，找出其后排进攻的特点和基本规律，为提高防后排进攻能力的训练提供依据
Through the analysis of back-attack techniques and tactics characteristics and the statistical analysis of the launching area and the ball landing point of effective back-row offense in 1997 World Men’s Volleyball League, find out the characteristics and basic rules of back-off attack, in order to improve Back-proof offensive ability to provide training base