UNIDOn.联合国工业发展组织UNIabbr.印度联合新闻社(=United News of India)unirersity library高校图书馆unimpeachable a.无可指责的；unimodal transport[法] 单一方式运输unidentified track未识别的目标回波unification system都统体制unified base wages统一的工资底数uniocular diplopia[医] 单眼性复视uniphase amplifier单相放大器uninsulated object不绝缘物体unified management统一经营