National Agricultural Statistics Service国家农业统计服务 National Ankylosing Spondylitis Society国家强直性脊柱炎的社会 National Automotive Sampling System (US DOT)全国汽车采样系统(我们点) Naval Academy Sailing Squadron海军学院帆船中队 North American Spine Society北美的脊柱的社会 Naval Academy Summer Seminar (summer admissions program for prospective students)海军学院夏季研讨会(夏天学生入学程序) National Association of Secretaries of State协会的秘书 National Accident Sampling System国家事故采样系统 North American Sundial Society北美的位置的社会 Network Attachment Subsystem网路连线子系统 National Alliance for Safe Schools国家联盟为安全的学校 National Assembly (UK)国民大会(英国) North American Strongman Society北美的强人的社会 Network Attached Storage Systems网络附加存储系统 Ngee Ann Secondary School (Singapore)Ngee安中学(新加坡)