爱林牌WZR-EC2型“儿童保健电脑”,采用两套标准,即2005年版《中国7岁以下儿童生长标准》和2006年版WHO公布的《儿童生长标准》。中国标准中,除体重、身长(高)外,还有头围、胸围、坐高及BMI(体质指数)等标准;国际标准有上臂围,无胸围、坐高,其余项目同中国标准。新EC2能显示中 Ailin card WZR-EC2 “child care computer”, using two sets of standards, namely the 2005 edition of “Chinese children under the age of 7 growth criteria” and the 2006 edition of WHO published “children’s growth standards.” Chinese standards, in addition to weight, length (high), there are head circumference, chest circumference, sitting height and BMI (Body Mass Index) and other standards; international standards arm circumference, no bust, sit height, the rest of the project with the Chinese standards. The new EC2 can be displayed