同根派生 ohm meter相關(guān)詞英漢例句Analyzing the whole measuring process of the Ohm meter,an estimate formula for the resistance uncertainty is derived. 從分析歐姆表測(cè)量的全過(guò)程出發(fā)，導(dǎo)出了電阻測(cè)量不確定度的估計(jì)公式.Micro ohm meter has been used to measure the contact resistance commonly at present. 目前最常用的接觸電阻測(cè)試儀器是微歐儀，這些儀器普遍采用大電流恒流源，因此體積和重量都很大。Analyzing the whole measuring process of the Ohm meter, an estimate formula for the resistance uncertainty is derived. 當(dāng)微安表改裝為歐姆表后 ,當(dāng)電池電壓變化時(shí) ,改裝表測(cè)量值會(huì)產(chǎn)生很大誤差。DVM is not accurate in measuring resistance below 20 ohm due to the lead resistance, unless it is a 4 wired ohm meter. 數(shù)字式電壓表在測(cè)量低于20歐姆的電阻時(shí)，會(huì)因?yàn)橐_的電阻而使測(cè)量不準(zhǔn)確.;除非它是一個(gè)四線歐姆表DVM is not accurate in measuring resistance below 20 ohm due to the lead resistance, unless it is a4 wired ohm meter. 數(shù)字式電壓表在測(cè)量低于20歐姆的電阻時(shí)，會(huì)因?yàn)橐_的電阻而使測(cè)量不準(zhǔn)確.;除非它是一個(gè)四線歐姆表ohm meter更多例句