User Definable Link用户可定义链接 Universal Design for Learning通用设计进行学习 Universal Data Link通用数据链路 Unit Designation List单位名称列表 Urban Debate League城市的辩论 United Distillers Limited曼联Distillers有限 Uniformly Distributed Load (mechanics, building trade)均布荷载(机械,建筑交易) Unit Detail Listing单位的详细清单 Uniform Double Layer (electrocardiography)统一的双层(心电图) União Desportiva de Leiria (Portugal)União Desportiva de Leiria (Portugal) UnDead Lords (gaming)亡灵议员(游戏) Uniform Data Language统一的数据的语言 Unique Data Log独特的数据记录 Unit Deployment List单位部署列表 User Defined Logic用户自定义的逻辑