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在儿童保健工作中,常以体重、身长、头围、臂围及皮下脂肪等测量反映体格发育情况,而在人体测量数值的具体研究中,需要发动较多人员参加。但这些测量工作毕竟是人为的,每个人对同一小儿所测得的结果不可能完全一致,有时前后二次测量的
In child health work, often measured by weight, length, head circumference, arm circumference and subcutaneous fat reflect the development of the physical development, and in the specific study of anthropometric values, need to launch more personnel to participate. However, these measurements are artificial, after all, each person on the same pediatric measured results can not be exactly the same, sometimes before and after the second measurement