BS, BSTS Broadband Series Test System, BSD Berkeley Software Distribution, bsic combined programming language, BSDA Bit Significant Device Address, BSDE with non Lipschitz coefficient, BS/MS degree of chemical major., BSRS Bell System Repair Specification, BSNR Backward Sequence Number Received, BSI-The first National Standard Body, BSVC Broadcast Signaling Virtual Channel 返回 bsg