常見(jiàn)例句雙語(yǔ)例句The steady counting rates of neutron in reactor are measured by a conventional instrument(the start-up devices)to calibrate reactivity worth of a control rod.利用常槼儀器(堆控制室中的啓動(dòng)裝置)測(cè)得反應(yīng)堆中穩(wěn)定的中子計(jì)數(shù)率來(lái)刻度控制棒的反應(yīng)性?xún)}量。 返回 control rod worth