NIAL=National Institute of Arts and Letters 全国文学和艺术学会[美]
NIabbr.国民保险制度(=National Insurance)
Niaochangshu capsule尿畅舒胶囊
nigrostriatal bundle黑质纹状体束, 黑色纹状束
Niviventer excelsiorn.高家鼠
Nidus vespae protein露蜂房蛋白
Ni-resist cast iron高镍耐热铸铁,不锈镍铸铁
Niganda argentifascian.银带窄翅舟蛾