National Public Health Officer公共卫生官员 National Public Observatory (Radium Springs, NM)国家公共天文台(镭弹簧、海里) Non-Profit Organization非营利组织机构 Nucleus Preopticus视前核 National Productivity Organization国家生产力的组织 Network Performance Objectives (ITU-T)网络性能目标(讨论) National Program Office(r)国家科技攻关项目办公室(r) Nederlandse Publieke Omroep (Dutch public broadcasting system)Nederlandse Publieke Omroep公共广播系统(荷兰) Non-Product OutputNon-Product输出 Non Per Os (Latin: Nothing by Mouth)每个操作系统(非拉丁:没什么用嘴) Navy Program Objective海军计划的目标 Nulla Per Os (Latin: Nothing By Mouth, also Non/Nil Per Os)每个操作系统(拉丁文Nulla:没什么,也非/零每个操作系统) NWTS Program Office (US DOE)NWTS项目办公室(美国DOE) Nurses Professional Organization护士的专业机构 National Platform Operations (Sprint)全国平台操作(冲刺)