论文部分内容阅读
本调查受检独生子女总人数为634人,男孩389人,女孩245人。检查项目有体重、身长、胸围、颅围四项。
The total number of only children in the survey was 634, 389 boys and 245 girls. Check items include weight, length, chest circumference, and cranial circumference.