词汇	次/分
释义	次/分医]cpm[=counts per minute
随便看	normal utility normal vacuum sinter normal vaginal delivery normal vaginal delivery babies normal vaginal-delivery babies normal valence normal-valence oxide normal valency normal valley normal valtage normal valuation Normal variation in position Normal variation in quantity normal value normal value of accumlated year normal value range Normal values normal valve normal-valve normal valve position normal valve positionhydraulic normal valve positionpneumatic normal variability curve normal variable normal variance