多普勒胎儿心音检测仪
Doppler ultrasound fetal beat detector
超声胎儿心搏检测仪
ultrasonic fetal heart beat detector
超声胎儿心搏探测器
ultrasonic fetal beat detector
多普勒胎儿心脏检测器
Doppler foetal heart detector
胎儿胎盘循环
fetoplacental circulation
胎儿心搏换能器
fetal heart beat transducer
胎儿心搏探测器
fetal heart beat detector
胎儿心电
FECG signal
Fetal ECG
FECG
fetal electrocardiogram FECG
fetal electrocardiogram
FECC
Allo-graft
胎儿心电流描记器
foetal electrocardiograph