Uniform Statewide Accounting System全州的会计制度统一 Utah Statewide Archaeological Society犹他州全州的考古学会 United Students Against Sweatshops美国学生对血汗工厂 USA Shooting美国射击 Uniform School Accounting System统一的学校会计体系 Undergraduate Student Academic Services (Ohio State University)大学生学术服务(俄亥俄州立大学的研究人员) United States Air Service美国航空服务 UNIVAC Standard Airline SystemUNIVAC标准航线体系 Ucak Servisi Anonim SirketiUcak Servisi Anonim Sirketi UCREL Automated Semantic Analysis SystemUCREL自动化的语义分析系统