National Defense University国防大学 [America] Norges Døveforbunds Barne - og Ungdomsutvalg (Norwegian Youth Association of the Deaf)Norges Døveforbunds Barne - og Ungdomsutvalg (Norwegian Youth Association of the Deaf) Nordisk Data Union和数据结合起来 Notre Dame University圣母大学 Non Disruptive Upgrade非破坏性的升级 Navigation Data Unit导航数据单位 Norsk Dysmeliforenings Ungdom (Norwegian Dysmelia Youth Association)挪威Dysmeliforenings Ungdom(挪威Dysmelia青年联合会) No Data Update没有数据更新 Navigation Distribution Unit导航设备 Naval Diving Unit (Singapore)海军跳水装置(新加坡) Nursing Development Unit护理发展的单位 Rundu, NamibiaRundu纳米比亚