UIN abbr. United States and international Securities (stock exchange symbol) 美國和國際證券(證券交易代碼); University of Indiana 美國印第安那大學; user identification number 用戶識別號碼
UIPM [醫(yī)][=International Union of the Medical Press]國際醫(yī)學出版聯(lián)合會
UITS abbr. unacknowledged information transfer service 未確認的信息傳送業(yè)務(wù); Unione Italiana Tiro e Segno (Italian=Italian Rifle Association) (意大利語)意大利來復槍協(xié)會