| 1. | Based on original data of physical investigation for junior conducted in the cities of china and using the non - equidistance gm ( 1 , 1 ) model , the expect model for junior growth in the cities is established , the growth trend of junior in the future of 10 years is predicated 摘要依据国家先后4次测试公布的全国城市汉族儿童青少年体质调研的原始数据,运用灰色非等间距gm ( 1 , 1 )模型,建立城市儿童青少年生长发育预测值模型,预测未来10年城市儿童青少年的生长发育趋势。 |