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1 前言跳远助跑的步点准确性是影响跳远成绩的重要因素,不仅青少年运动员因步点不准而导致比赛失败,许多高水平专业跳远运动员也因助跑上板不准而功亏一篑。为了寻找解决这一难题的有效途径我们运
1 INTRODUCTION The accuracy of step-by-step run-off is an important factor that affects long-jump performance. Not only are young athletes failing in the competition because of their inaccurate pace, many high-level professional long-jump athletes also fall short due to inaccurate running. In order to find an effective way to solve this problem we shipped