目的：探讨高频率超声诊断轻微错位肋骨骨折的价值。
Objective: To explore the value of high frequency ultrasound in diagnosis of rib fracture with slight dislocation.
文章主要研究从超声多普勒血流信号的最大频率曲线中提取特征值，并用于临床血管疾病诊断的方法。
In this paper, a novel method was studied to diagnose the vessel disease using the feature of the maximum frequency waveform from the blood flow ultrasound Doppler signals.
目的根据晶状体脱位的不同声像图表现，探讨高频率超声对晶状体脱位的诊断价值。
Objective To investigate the clinical value of high frequency ultrasound in examining dislocation of the lens.
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