[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$foJeZ-1QLrAufQNh8OCxq_DxeUKtckvKKh1OGUgiB-Mo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-05-20 20:30:45",1118756484,[8,9,10,11],"低输出阻抗,高输出信号","低输出阻抗,低输出信号","高输出阻抗,高输出信号","高输出阻抗,低输出信号",{"courseId":13,"workId":14,"workName":15},"1000083090","66953744","第五章单元测试","压电传感器的阻抗特点是: ( )",[18,23,32,41,51,59,68,77,85,90],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v2",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],1118756492,[27,28,29,30],"应变效应","电涡流效应","压电效应","逆压电效应","将超声波(机械振动波)转换成电信号是利用压电材料的( )",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],1118756493,[36,37,38,39],"极化电荷","几何尺寸","晶面上电荷","电阻率","固态压敏电阻在某一方向上承受应力时,它的电阻值发生显著变化,这是由哪些方面因素发生显著变化引起的( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":21,"type":50},[],1118756494,[45,46,47,48],"将压电传感器的高内阻转为测量电路的低输出阻抗","将压电传感器的低内阻转为测量电路的高输出阻抗","信号放大","压力信号转化为电信号","压电传感器测量电路的作用( )",1,{"answer":52,"createTime":5,"id":53,"options":54,"question":58,"source":21,"type":22},[],1118756495,[55,29,56,57],"压阻效应","热敏效应","光敏效应","( )起搏器是一种利用心脏跳动所产生的能量,为心脏起搏器提供电力的装置,该装置的诞生能为心脏起搏器的植入者省去多次开刀的痛苦.( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":22},[],1118756496,[63,64,65,66],"电压放大器","直流电桥","交流电桥","调频-鉴频电路","以下可以作为压电传感器的测量电路( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":21,"type":22},[],1118756497,[72,73,74,75],"沿光轴方向施加作用力,不会产生压电效应,也没有电荷产生","沿光轴方向施加作用力,不会产生压电效应,但会有电荷产生","沿光轴方向施加作用力,会产生压电效应,但没有电荷产生","沿光轴方向施加作用力,会产生压电效应,也会有电荷产生","对石英晶体,下列说法正确的是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":83,"source":21,"type":84},[],1118756498,[81,82],"对","错","压电式传感器具有体积小、结构简单等优点,不适合于频率较低的被测量的测量,主要用于动态量的测量.( )",3,{"answer":86,"createTime":5,"id":87,"options":88,"question":89,"source":21,"type":84},[],1118756499,[81,82],"压电式压力传感器是根据压电效应原理制成的.( )",{"answer":91,"createTime":5,"id":92,"options":93,"question":94,"source":21,"type":84},[],1118756500,[81,82],"压电式传感器具有体积小、结构简单等优点,适合于频率较低的被测量的测量,甚至是静态量的测量.( )"]