The construction of compression piezoelectrical sensors and amplitude value linearity of axial sensitivity are described.

文章简述了压缩式压电加速度传感器的结构原理和灵敏度的幅度值线性度问题。

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Axial imaging of SCTAP could preferably demonstrate abnormal changes of the fine branches of portal vein, its sensitivity of judging cirrhosis was 93.3%.

SCTAP轴位能较好显示门静脉细小分支的异常改变，对肝硬化判断的敏感性为93.3%。

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Axial imaging of SCTAP could preferably demonstrate abnormal changes of the fine branches of portal vein, its sensitivity of judging cirrhosis was 93.3%.

SCTAP轴位能较好显示门静脉细小分支的异常改变，对肝硬化判断的敏感性为93.3%。

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