Billing and Order Support System帐单和定单支援系统 Business Oriented Software System商业软件系统 Business Organizer Scheduling System (Casio)商业组织调度系统(卡西欧) Business Operations Support Systems商业运营支持系统 Body Orifice Security Scanner (correctional facilities)身体孔安全扫描(修正设备) Bealls Online Service SystemBealls网上服务系统 British Orthopaedic Spine Society英国骨科脊柱的社会 Bureau of State Security统计局的国家安全 Bharat Operating System Solutions巴拉特·操作系统的解决方案 Ballistic Optimizing Shooting System射击弹道优化系统 Basic Operating System Software基本操作系统软件 Burial Operations Support System (VA national cemeteries)安葬行动支持系统(VA国家公墓) Bronx Organization of Singer/Songwriters歌手和作曲家的洋基组织 Badge Office Security System徽章办公室安全系统 Brotherhood of Selected Sith (gaming clan)西斯(游戏的手足情谊的部落)