METHOD: Ultrasonic examination was conducted in 3 546 middle and late pregnant women to check structure of head,biparietal diameter(BPD) , cervicosa-cral diameter(CSD)and amount of amniotic fluid.是什么意思_METHOD: Ultrasonic examination was conducted in 3 546 middle and late pregnant women to check structure of head,biparietal diameter(BPD) , cervicosa-cral diameter(CSD)and amount of amniotic fluid.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句