为了方便教学，对用共振干涉法和相位比较法测定超声声速的原理进行了剖析、比。
The principles used in measuring sound velocity by means of resonant interference and phase comparison are analyzed and compared, which are convenient for teaching.
在超声心动图学教学中，强调多学科结合，多媒体动画及临床实践的应用。
In echocardiography teaching, we emphasized on combination of multi-subjects, application of multimedia picture and clinical practice.
超声诊断设备已在医院得到了广泛应用，建立基于网络的超声诊断视音频教学系统，为超声诊断技能培训提供了先进的教学手段。
The ultrasound devices have been widely applied in hospitals. The audio & video teaching system for ultrasonic diagnosis based on network was built for training ultrasonic diagnosis skill.
超声诊断设备已在医院得到了广泛应用，建立基于网络的超声诊断视音频教学系统，为超声诊断技能培训提供了先进的教学手段。
The ultrasound devices have been widely applied in hospitals. The audio & video teaching system for ultrasonic diagnosis based on network was built for training ultrasonic diagnosis skill.
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