求翻译：与2005年中国9市城郊7岁以下正常儿童体格发育测量值比较，各月龄组婴幼儿平均体重高于2005年九市儿童体格发育调查结果。是什么意思？

China 2005 7 9 City suburbs physical development of children under the age of normal measurements compared to infants of each age group is higher than the average weight of nine municipalities in 2005, children physical development findings.

In 2005 CHINA 9 7 years of age the peri-normal children's physical developmental measurement value comparisons, the average weight in infants and children age group higher than 2005 9 city children's physical developmental findings.

Below the Chinese 9 city suburb 7 years old the normal child physique growth observed value compares with 2005, various ages of the moon group babies and infants average body weight is higher than in 2005 nine city child physique growth investigation result.

With 2005 suburb 7, 9, China normal physical development of children under the age of measurement comparison, infant average weight is greater than the age groups in 2005 nine findings of physical development in children.

With 2005 suburb 7, 9, China normal physical development of children under the age of measurement comparison, infant average weight is greater than the age groups in 2005 nine findings of physical development in children.