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以1991年全国体质与健康监测样本中13岁～18岁汉族学生为研究对象，通过对身高和体重生长发育匀称程度的分析、探讨了各地区特别是肥胖和瘦弱多发地区中学生形态发育的群体特征。
Taking the 13-year-old to 18-year-old Han nationality students in the National Physical Fitness and Health Monitoring Sample of 1991 as the research object, this study explored the population characteristics of the morphological development of middle school students in various regions, especially in the areas of obesity and emaciation by analyzing the symmetry of height and weight growth and development .