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本文采用复盖式纵向研究法,对9—18岁男女学生的最大吸氧量进行连续4年的直接测定,分析研究了其自然发展规律及年龄、性别特征。
In this study, the cover-based longitudinal study was used to determine the maximum oxygen uptake of boys and girls aged 9-18 for four consecutive years. The natural development and the characteristics of age and sex were analyzed.