NISTn.美国国家标准技术研究所=(National Institute of Standards and Technology).NIabbr.国民保险制度(=National Insurance)Niekerken尼克肯Nishinari西成(姓,日本)Niinisalo尼尼萨洛Nishitate西馆(姓,日本)Niagestin甲地孕酮, 去氢甲孕酮[避孕药]Nishigami西上Niu Lijie牛丽杰,女足运动员Nishikawa西川Niiniketo尼尼凯托nigromete黑度计