根据国家先后4次测试公布的7~18岁城市汉族学生体质调研的原始数据,运用灰色系统理论GM(1,1)模型,建立城市青少儿生长发育的灰色预测模型,预测未来10年我国城市儿童青少年生长发育的期望值,为教育行政部门了解和掌握城镇青少儿生长发育状况,提供信息和参考数据。 Based on the original data of the survey of the constitutional survey of Han students aged 7-18 in the country that has been tested by the government for 4 times, the gray prediction model of urban youth growth and development was established by using the GM (1,1) model of gray system theory. The expected growth and development of children and adolescents, education and administration departments to understand and grasp the growth and development of urban youth, provide information and reference data.