NIRabbr.丙烯腈-异戊二烯橡胶(=acrylonitrile-isoprene rubber)NIabbr.国民保险制度(=National Insurance)Nikionok尼基奥诺克Nidegawa二出川(姓,日本)Nishovic尼绍维奇Nistoran尼斯托兰nivaquin硫酸氯喹Nikolaas尼古拉斯Niessing尼辛niosomes类脂囊泡Niitumaa尼图马Niu'erhe