各片儿童五项体格测量指标的均值、标准差The means and standard deviations of five anthropometric variables for children i

表 3北片城区7岁以下儿童体格发育测量值。Table3 Measurements of Chinese urban children under7years in northern region of China, 2005.表 6中片郊区7岁以下儿童体格发育测量值。 ......