采用随机抽样的方法，在产前门诊随机抽取了160例接受产前检查的孕妇，以了解孕妇掌握育儿知识的情况。
In order to know the situation about the nursing infant knowledge of pregnant women, 160 pregnant women who have accepted the prenatal examination were investigated by the random sampling.
采用随机抽样的方法，在产前门诊随机抽取了160例接受产前检查的孕妇，以了解孕妇掌握育儿知识的情况。
In order to know the situation about the nursing infant knowledge of pregnant women, 160 pregnant women who have accepted the prenatal examination were investigated by the random sampling.
应用推荐