Objective To derive a formula for ultrasonic estimated fetal weight (EFW) based on a two-compartment model of fetal volume, and to test its accuracy.是什么意思_Objective To derive a formula for ultrasonic estimated fetal weight (EFW) based on a two-compartment model of fetal volume, and to test its accuracy.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句