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celiangyiqiyibandouhuiyoubuzhiyizhongdeceliangfangshi，namedianciliuliangjizaicaiyongdipinjuxingbolicifangshishikeyidadaoshenmexiaoguone，xiamianwomenjiulaiyanjiuyixia。
muqianguangfanshiyongdedianciliuliangjitongchangcaiyongdipinjuxingbolicifangshi，yixishengkuaisuxiangyingxingweidaijialaihuanqudianciliuliangjidewendingxinghejingquexing。dianciliuliangjidelicijishuyouliangzhongjibenxingshi，shicaiyongjiaobiancichangdexingshi；另一種是采用恒定磁場的形式，這個我們應該都知道，
dianciliuliangjishiliyongfaladidianciganyingdinglvzhichengdeyizhongceliangdaodianxingyetiliuliangdeyibiao，qigongzuoyuanlishidangdaodianliutizaigongzuocichangzhongzuochuizhifangxiangliudongerqiegecilixianshi，huizailiangcedianjishangchanshengganyingdiandongshi，ganyingdiandongshidedaxiaoyuyetideliusuheliuliangchengzhengbi，erqielicipinlvguogaoshi，dianciliuliangjidelingdianrongyibuwending；勵磁頻率過低時，電磁流量計的響應速度又會變慢。
caiyongjiaobiancichanglicifangshidezhuyaomudeshibimiandianciliuliangjidedianjichanshengjihuadianshi，congershidianciliuliangjichengweiceliangdaodianxingyetiliuliangdeyizhongtongyongyibiao。qizhong，licijishuhexinhaochulijishushihengliangdianciliuliangjixingnenghaohuaidelianggeguanjianjishu，zhijieyingxiangdianciliuliangjiceliangdewendingxinghejingquedu。
而er交jiao變bian磁ci場chang是shi通tong過guo在zai勵li磁ci線xian圈quan中zhong加jia交jiao變bian電dian流liu來lai產chan生sheng，磁ci場chang強qiang度du越yue大da，流liu量liang信xin號hao所suo產chan生sheng的de感gan應ying電dian動dong勢shi越yue大da，信xin號hao靈ling敏min度du越yue高gao。因yin此ci，一yi般ban來lai說shuo交jiao流liu勵li磁ci模mo塊kuai的de功gong耗hao在zai整zheng個ge電dian磁ci流liu量liang計ji的de功gong耗hao中zhong占zhan很hen大da的de比bi重zhong，很hen難nan實shi現xian低di功gong耗hao口kou。
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