<p style="line-height:150%"><span style="font-size:16px;line-height:150%;font-family:宋体">将弹性元件的位移转换成电容量的变化</span><span style="font-size:16px;line-height:150%;font-family:宋体">，以测压膜片作为电容器的可动电极，与固定电极组成可变电容器，当被测压力变化时，测压膜片产生位移改变两级间的距离，电容量变化，可知压力</span><span style="font-size:16px;line-height:150%;font-family:宋体">。</span><span style="font-size:16px;line-height:150%"><span style="position:relative;top:7px"><img width="12" height="23" src="http://degree.qingshuxuetang.com/resources/default/ui/externalLib/ueditor142/themes/default/images/spacer.gif" word_img="file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif" style="background:url(http://degree.qingshuxuetang.com/resources/default/ui/externalLib/ueditor142/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd"/></span></span></p><p><br/></p>
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