A line drawn by a recording instrument, such as a cardiograph.
她在纸上画
轮廓线上加描墨水。
音，
波;
;;
像;A line drawn by a recording instrument, such as a cardiograph.
她在纸上画轮廓线上加描墨水。
Methods Ultrasonic Dopple cardiograph was used to detect some indice reflecting the function of left ventricle.
方法利用多普勒
心动图,选择反映左心室功能部分指标进行无创性检测。
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