多谱勒

  • 网络Doppler; fetal doppler

多谱勒多谱勒

多谱勒

Doppler

多谱勒Doppler):PA055 当一天线沿直径为D的圆周旋转时,根据多谱勒效应,当天线运动方向与电波方向相向时频率升高…

fetal doppler

Sonotech Express... ... 胎心跳仪, 胎心音机, 香港, Hong Kong, 超声波, 多谱勒, fetal doppler,fetal heart,fetal heart rate, ...

29
Time intervals in systolic period of cardiac cycle assessment by velocity Doppler tissue imaging: Characteristic findings in normal subjects

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