Universal Display Corporation普遍显示公司 Urban Development Corporation城市发展有限公司 Utah Department of Corrections犹他州惩教部 Under-Developed Country[法] 不发达国家 User Definition Character用户定义字符 Uniao Democrata-Crista de Timor (Christian Democratic Union of Timor)Uniao Democrata-Crista德东帝汶的基督教民主联盟(1976年) UniÓ DemocrÁtica de Catalunya (Democratic Union of Catalonia, Spain)UniÓ DemocrÁtica de Catalunya (Democratic Union of Catalonia, Spain) User-Defined Command用户定义的命令 Union Democratique du Centre (Swiss People's Party)工会Democratique嘟中心(瑞士人民党的) Un-reimbursed Development Cost未报销开发成本 Utility Data Center (HP)公用数据中心(HP) Uniun Democratica Dal Center (Swiss People's Party)Uniun Democratica木豆中心(瑞士人民党的) University of the District of Columbia大学的哥伦比亚区 United Daughters of the Confederacy美国同盟的女儿 Utility Distribution Company效用销售公司