方法：按解剖学室缺分型，用超声心动图对372例室缺进行定位及测量大小，并与手术结果进行对照。
Methods: According to anatomic classification, the location and the size were determined by using echocardiography in 372 patients with VSD, and were compared with that of surgery findings.
移动车体装有环形分布的超声波传感器阵列作为距离感知工具测量和路标之间的距离，里程计作为机器人自身的辅助定位工具。
Mobile robot body has a distribution of ultrasonic distance sensor array perceived as a tool for measuring the distance from the landmarks, a milestone of its own robot-assisted positioning tools.
测量仪为超声波电子定位仪，它们安装在固定架上， 将测量数据无线传输到主控计算机。
The electronic positioning units are ultrasonic electronic positioning units which are arranged on a fixed frame to transfer measure data to a main control computer in a wireless way.
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