结果49例子代中，47例身体发育（身高、体重）在正常范围，仅2例低于正常值下限；
Results The physical development (height and weight) in 47 out of 49 children were within normal range while the remaining 2 were in the lower limit.
结果49例子代中，47例身体发育（身高、体重）在正常范围，仅2例低于正常值下限；
Results The physical development (height and weight) in 47 out of 49 children were within normal range while the remaining 2 were in the lower limit.
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