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Mathematical statistical analysis-based China and America two countries middle school athletics development difference research

机译：基于数理统计分析的中美两国初中体育发展差异研究

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Middle school students’ athletics sprint competitive abilities decide national sprint reserve force, develop middle school students’ sprint competitive abilities is an important issue that current nation needs to confront. In order to look for targeted suggestions for Chinese middle school students’ sprint training, the paper starts from China and America two countries middle school students’ sprint each event championships performance during year 2004~2012, explores two countries differences, the purpose is to extract feasible suggestions on the basis of clear gap and make contributions to Chinese sprint reserve force expanding. In the paper, it uses progressive coefficient, fixed base growth coefficient and link-relative development coefficient as research variables, verifies reflected two countries competitive levels differences from championships performances, gets conclusion that during year 2004~2012 Chinese middle school students sprint performance has already developed from being slightly lower than American middle school students to being backward both in quality and quantity and had larger distances from America.
机译：中学生的田径短跑竞技能力决定着国家短跑后备力量，发展中学生的短跑竞技能力是当今国家需要面对的重要问题。为了寻找针对中学生冲刺训练的针对性建议，本文从2004〜2012年中美两国中学生冲刺各项赛事冠军的表现入手，探讨了两国的差异，目的在于提取在明显差距的基础上提出可行的建议，为中国短跑后备力量的扩大做出贡献。本文以进步系数，固定基增长系数和链环相对发展系数为研究变量，验证了反映出两国竞技水平与冠军水平的差异，得出结论：2004〜2012年中国中学生冲刺成绩已经从略低于美国中学生的国家发展到质量和数量都落后的国家，并且与美国的距离越来越远。

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