Undated Circular Cancel (philately)什么意思

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 Universal Digital Channel通用数字频道 User Designation Code用户标志代码 Cameroonian Democratic Union喀麦隆民主联盟 Uniform Directional Coupler定向耦合器的制服 User Defined Collection用户自定义的集合 Uniform Definition of a Child (tax law)统一的定义的儿童(税法) Unit Deployment Center单位部署的中心