region.区；部位regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regurgitating jaundice回流性黄疸regenerative vibration再生振动registration deviation套印误差regulatory performance管制绩效regulating control rod调节棒regitine hydrochloride[医] 盐酸勒吉廷regulating coefficient调节系数regenerative detection再生检波registration container注册容器registration precision对准精度