National Health Service国民保健体系 National Honor Society全国名誉学会 National Historical Society全国历史学会 Nursing and Health Studies护理和健康的研究 Naval History Symposium海军史研讨会 National Health Service (UK)国家卫生服务(英国) National Highway System国家公路系统 Northeastern High School东北高中 Northville High SchoolNorthville高中 N-HydroxysuccinimideN-Hydroxysuccinimide Newport Historical Society新港历史协会 Nance-Horan Syndrome南斯-霍兰综合征, 掌骨过短-白内障-楔形牙综合征 Norcross High School (Norcross, GA)Norcross高中(Norcross,嘎) Newport High School (Bellevue, Washington)新港高中(位于华盛顿的) Nimitz High School (Irving, TX)高中(文尼米兹TX)