This paper mainly introduces ultrasonic Doppler baby's heart instrument verification item and technical requirement and verification technique, introduces the equipment and process for determination.
本文主要介绍了超声多普勒胎心仪超声源检定项目、技术要求及检定方法并介绍了所需要的测量装置，对测量过程进行了阐述。
Objective To implement dynamic 3d reconstruction of ultrasonic flow images by the technique of 3d reconstruction of ultrasonic medical images combined with Doppler flow imaging method.
目的将超声医学图像三维重建技术与多普勒血流成像技术结合起来，实现超声血流图的动态三维重建。
Conclusion Doppler ultrasonic stethoscope-assisted central venous puncture and catheterization is superior to the conventional technique with higher success rate.
结论多普勒超声听诊器辅助中心静脉穿刺置管可提高穿刺成功率。
Conclusion Doppler ultrasonic stethoscope-assisted central venous puncture and catheterization is superior to the conventional technique with higher success rate.
结论多普勒超声听诊器辅助中心静脉穿刺置管可提高穿刺成功率。
应用推荐