... 22、差动变压器转换元件（Differential transformertransduc-tionelement） 23、压电转换元件（Piezoelectric transduction element） 24、液体压力计（Manometer） ...
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用作转换器的压电元件的一个重要特性是衡量其能量转换效率。
Conversion efficiency of energy is an important characteristic for the piezoelectric components.
霍尔元件把压力信号变成电信号，完成压电检测转换功能。
The Hall component converts the pressure signal into an electrical signal to complete the function of piezoelectric detection and conversion.
压力场测试中所采用的传感器是一种以压电晶体做敏感元件的压力传感器，它可以将压力讯号直接转换成电荷输出，其输出量与被测量压力成正比。
The sensor used in the testing is made of piezoelectricity crystal and it can directly transform the pressure signal into electricity signal. Its output is in proportion to the measured pressure.
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