Objective To assess the accuracy of Doppler audio-signal processing system(DASPS) in noninvasive automatic estimation of pulmonary vascular resistance (PVR).
目的评价多普勒超声音频处理系统（DASPS）自动定量估测肺血管阻力（PVR ）的准确性。
Objective To assess the accuracy of Doppler audio-signal processing system(DASPS) in noninvasive automatic estimation of pulmonary vascular resistance (PVR).
目的评价多普勒超声音频处理系统（DASPS）自动定量估测肺血管阻力（PVR ）的准确性。
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