Nuch努nun.希腊文的第13个字母NU.abbr.未知名(=name unknown)；努纳武特(=Nunavut；加拿大北部地区)Nueleoprotein gene核蛋白基因nucleons numbers A核子数Anuclei pretectalis[医] 顶盖前核nuclei rhomboideus[医] 下橄榄核Nueva San Salvador新圣萨尔瓦多nuclei tegmentales被盖核nucleation process成核过程nuclei restiformis[医] 楔束核nucleor barnucleon裸核子nucleon technology核子技术