B-RDMA stands for Burst Rate-Division Multiple Access
B.Arch stands for Bachelor of Architecture (degree)
B-SMS stands for Broadcast Short Message Service
B-REP stands for Boundary Representation
B-RADS stands for Breast Imaging Reporting and Data System (diagnostics)
B-S stands for Birnbaum - Saunders Distribution
A-MSDU stands for Aggregate MAC (Media Access Control) Service Data Unit (wireless computer networking)
A-MOST stands for Advances in Model Based Testing (Workshop)
A-MOS stands for Accumulation Metal-Oxide Semiconductor
A-MFVA stands for Asynchronous Maximum Feasible Value Assignment