Ulrich's Periodical Directory什么意思

Underwater Propulsion Device水下推进器装置 Universal Provider DatasourceDatasource普遍供应商 User Procedure Development用户程序的开发 Unit Personality Data (Motorola)摩托罗拉(中国)的数据(单位性格 UniÓn Progreso y Democracia (Spanish: Union, Progress and Democracy, political party)UniÓn Progreso y Democracia (Spanish: Union, Progress and Democracy, political party) University Police Department大学警察局 Union for the Public Domain工会为公有领域 Uniparental Disomy单亲二体一对染色体(均来自父或母) Updaten. 更新 Utah Prairie Dog犹他州的大草原狗 Ulrich's Periodical Directory《期刊目录 Univeral Print Driver (Citrix)Univeral打印驱动(Citrix) Unplanned Dismount意外卸下 Unidad Popular Por La Paz, Democracia, Desarrollo y Derechos Humanos (Popular Union for Peace, Democracy, Development and Human Rights; Guatemala)Unidad流行,Democracia未有勘灾,Desarrollo y Derechos高明(流行的工会,和平、民主、发展、人权、危地马拉) Utah Police Department犹他州的警察局