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文章对淮北师范大学附属实验中学学生2008-2011年的形态指标进行比较分析,结果表明:三年来总体发育水平均增长,增长幅度男生大于女生。男性均值的第二次交叉年龄,身高提高一年,体重和胸围提前二年。
The article comparatively analyzed the morphological indexes of experimental middle school affiliated to Huaibei Normal University from 2008 to 2011, and the results showed that the overall development level increased in three years, and the growth rate was higher than that of girls in boys. The second crossover of the mean male, height increased by one year, weight and chest two years in advance.