Bioinformatics Italian Society生物信息学意大利的社会 Branch Integrated Timer Supply局内综合定时供给系统 Building Integrated Timing System大楼综合定时系统 Bureau of Information Technology统计局的信息技术 Bachelor of Information Technology and Security (Baker College)信息技术和安全的学士(贝克学院) Brilliant IT Solutions (Pakistan)才华横溢的IT解决方案(巴基斯坦) Basic IT Skills (University of Nottingham course)基本的计算机运用能力(诺丁汉大学课程) Bristol Information Technology Society布里斯托尔,信息技术的社会 Business Information Tracking System商业信息跟踪系统 Berlin Information-center for Transatlantic Security柏林Information-center大西洋安全的 Built-In Test System (aircraft maintenance diagnostics)内置测试系统(飞机维修诊断) Background Intelligent Transfer Service背景智能转让服务 Battlefield Information Transmission System战场信息传输系统 Building Integrated Timing Supply (SONET/SDH)楼宇综合时间供应(SONET / SDH) Bump in the Stacks撞在书架上