结果慢性肝病肝静脉多普勒波形改变与肝纤维化病理分期之间具有一定相关性。
Results There was significant correlation between hepatic vein Doppler waveform changes and fibrosis pathological stages.
周期性的弯折在纤维中造成了波形结构。
The periodic buckling leaves the fibre in a waved conformation.
通过声发射波形信号的频谱分析，研究了碳纤维三维编织复合材料拉伸损伤的细观机理。
Spectrum analysis was performed to determine the micro-mechanism of damage evolution of C fiber 3-D braiding composite material.
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