Naarn.纳尔NAabbr.无名麻醉剂(=Narcotics Anonymous)abbr.全国科学院会员（=National Academician）abbr.全国科学院(=National Academy)abbr.北美（=North America）abbr.不适用的（=Not Applicable）Narenga porphyrocoman.河八王Navicula fujianensisn.福建舟形藻Navicula americicanan.美洲舟形藻naevi mollusciformis[医] 软疣样痣nafcillinum natricum乙氧萘青霉素钠navigable dimensions通航尺度Nao Li Qing Capsules脑立轻胶囊NaCl short- stress短期NaCl胁迫Navicula semistaurosn.半十字舟形藻Nacelle for Airplane飞机吊舱