One of the main methods of fetal monitoring is monitoring the fetal heart rate (FHR), and the method based on Ultrasonic Doppler effect is a effective method without wound to detect the FHR.
监听胎儿心率是胎儿监护的主要方法之一，基于超声多普勒效应的胎心率检测法是一种有效的无创方法。
Conclusion the therapeutic effect of false arteria femoralis by using compression method and injecting thrombin into aneurysm cavity by color doppler ultrasonic guidance is therapeutical and safe.
结论在彩色多普勒超声引导下运用压迫法结合瘤腔内注射凝血酶治疗假性股动脉瘤的方法是安全有效的。
Ultrasonic encounter impurities or boundary surface will produce significant reflection form reflex into echo, encounter moving objects can produce doppler effect.
超声波碰到杂质或分界面会产生显著反射形成反射成回波，碰到活动物体能产生多普勒效应。
The band width of a transducer has a great effect on the results of detection in the pulsed Doppler ultrasonic system.
在脉冲超声多普勒技术中，换能器的带宽对于检测结果有重要的影响。
The band width of a transducer has a great effect on the results of detection in the pulsed Doppler ultrasonic system.
在脉冲超声多普勒技术中，换能器的带宽对于检测结果有重要的影响。
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