Acoustical Society of Japan, ASK, Akademische Software Kooperation (Universität Karlsruhe), ASL, American Sign Language (Taubstummen-Gebärdensprache), ASME, American Society of Mechanical Engineers, ASMW, Amt für Standardisierung, Meßwesen und Warenprüfung (DDR), ASN, ATM Switching Network, ASNE, American Society of Naval Engineers, ASN.1, Abstract Syntax Notation 1, ASP, Adaptive Signal Processing, ASP, Application Service Provider (Bioinformatik), ASPEC, Audio Spectral Perceptual Entropic Coding, ASQC, American Society for Quality Control, ASR, Antischlupfregelung (Kfz), ASR, Automatic Speech Recognition, ASS, Acetylsalicylsäure, ASSI, Akkreditierungsagentur für Studiengänge der Ingenieurwissenschaften und der Informatik, ASSP, Acoustics, Speech, and Signal Processing (IEEE), ASSP, Application Specific Standard Products, AST, FhAZ für Systemtechnik (Illmenau, Thüringen), AStA, Allgemeiner Studentenausschuß, ASTER, Advanced Spaceborne Thermal Emission and Reflection Radiometer (Erd-Fernerkundung), ASTM, American Society of Testing Materials, ASTRID, Aarhus Storage Ring, Denmark, ASTV, Aeroassisted Space Transfer Vehicle (Raumfahrt), ASU, Abgas-Sonder-Untersuchung, ASU, ATM Service Unit, ASURA, Advanced Speech Understanding and Rendering System of ATR (Japan), AT, Austria (im Internet), ATB, Institut für Agrartechnik Bornim (Potsdam-Bornim), ATC, Abstract Test Case (Telekommunikation), ATC, Adiabatic Toroidal Compressor (Fusionsreaktortechnik, PPPL), ATC, Air Traffic Control (Luftverkehrssteuerung), ATC, American Television and Communications Corporation, ATE, Automatic Test Equipment, ATF, Accelerator Test Facility, ATF, Advanced Tactical Fighter (USA, Flugzeug), ATI, Above-Threshold Ionization, ATI, Automatic Telephony Interpretation (CAIR, Korea), ATIP, Asian Technology Information Program (US organization), ATKIS, Amtliches Topographisch-Kartographisches Informations-System, ATLAS, A Toroidal LHC Apparatus (CERN), ATLAS, Atmospheric Laboratory for Applications and Science, ATM, Air Traffic Management, ATM, Asynchronous Transfer Mode (Datennetz), ATM, Attached Pressurized Module (Raumfahrt), ATM, Automated Teller Machine (Bankwesen), ATMF, ATM Forum, ATMF, ATM user connected via optical Fiber, ATMOS, Air Traffic Management and Operations Simulator (DLR), ATMT, Fraunhofer- Arbeitsgruppe für Telekommunikation und Multimediatechik, ATP, Adenosintriphosphat, ATP, Advanced Technology Program (USA, Department of Commerce), ATP, Advanced Turbo-Prop (Flugzeug), ATR, Attenuated Total Reflection (chem. Analyse-Verfahren), ATS, Abstract Test Suite (Telekommunikation), ATS, Automated Tuner System, ATSC, Advanced Television Systems Committee, ATT, Advanced Transport Telematics, ATTA, Atom Trap Trace Analysis, ATTAS, Advanced Technology Testing Aircraft System (DLR), AT&T, American Telephone and Telegraph Company, ATTC, Advanced Television Test Center, Inc. (USA), ATTHeS, Advanced Technology Testing Helicopter System (DLR), ATU, Access Termination Unit (Telekommunikation), ATU, ADSL Terminal Unit, ATV, Automatisches Transfervehikel (Raumfahrt), AU, Australia (im Internet), AURA, Association of Universities for Research in Astronomy (USA), AV, Audio- und Video-(Anschluß), AVA, Aerodynamische Versuchsanstalt (Göttingen, 1907), AVE, Avenue (US Mail), AvH, Alexander von Humboldt-Stiftung, AVHRR, Advanced Very High Resolution Radiometer (Fernerkundung), AVI, Akkreditierungsverbund für Ingenieurstudiengänge e.V., AVI, Automatic Vehicle Identification, AVK, FhAZ für Verkehrslogistik und Kommunikationstechnik (Nürnberg), AVS, Advanced Visual Systems, AVS, American Vacuum Society, AVV, FhAZ für Verarbeitungsmaschinen und Verpackungstechnik (Dresden), AW-CDM, Adaptive Weighted CDM, AWE, Arbeitsplatz-Wiedergabe-Einheit (digitales Sprachübertragungssystem), AWG, American Wire Gauge, AWG, Arrayed Waveguide Grating (Filter, Photonik), AWI, Alfred-Wegener-Institut für Polar- und Meeresforschung (Bremerhaven), AWO, Arbeiterwohlfahrt, AWO, Auftragsforschung-West-Ost (BMFT), AXAF, Advanced X-Ray Astrophysics Facility (Satellit, USA), AZ, Arizona (US-Staat), Azipod, Azimuthing Electric Podded Propulsion (Schiffsantrieb), B, BACODINE, Batse Coordinates Distribution Network (Astrophysik), BAe, British Aerospace, BAföG, Bundesausbildungsförderungsgesetz, BAGMO, Bundesarbeitsgemeinschaft Motorrad, BAI, Beratender Ausschuß der Industriephysiker (in der DPG), BALK, Bundesarbeitsgemeinschaft leitender Krankenpflegepersonen e.V., BAM, Bundesanstalt für Materialforschung und -prüfung (Berlin), BAME, Bayerische Arbeitsgemeinschaft Mikroelektronik, BAPT, Bundesamt für Post und Telekommunikation, BARC, Bay Area Research Center (Microsoft-Forschungszentrum), BARN, Bayer-Alzheimer Research Network, BAS, Broadband Access Server (Telekommunikation), BASF, Badische Anilin- und Sodafabrik, BASIC, Beginners All Purpose Symbolic Instruction Code, BASYS, Baltic Sea System Study, BAT, Bandwidth Allocation Threshold (Datennetz), BAT, Biologische Arbeitsstofftoleranz(werte), BAT, Bonquet Association Table, BAT, Bundesangestelltentarif, BATSE, Burst and Transient Source Experiment (GRO), B.A.U.M., Bundesdeutscher Arbeitskreis für umweltbewußtes Management e.V., BB, Baseband (Telekommunikation), BB, Broadband, BBAW, Berlin-Brandenburgische Akademie der Wissenschaften, BBC, Broadband Coupler (Datennetz), BBiG, Berufsbildungsgesetz, BBRAN, Broadband Remote Access Network (oder: Node), BBRAS, Broadband Remote Access Server, BBS, Behavioral and Brain Science (Zeitschrift), BBS, Bulletin Board System (Internet), BBSO, Big Bear Solar Observatory (Big Bear Lake, CA), BBW, Bundesverband der Brand- und Wasserschadenbeseitiger e.V., BC, Before Christ, bcc, blind carbon copy (Durchschlag, ohne Nachricht an andere Adressaten), BCD, Binary Coded Decimal, BCIS, Biodiversity Conservation Information System, BCP, Burst Control Packet, BCR, Bureau Communautaire de Référence, BCRU, British Committee on Radiation Units and Measurement, BCS, Bardeen-Cooper-Schrieffer (Supraleitungstheorie), BCSD, Business Council for Sustainable Development, BDA, Bundesvereinigung der Deutschen Arbeitgeberverbände, BDI, Belief, Desire, Intent, BDI, Bundesverband der Deutschen Industrie e.V. (Köln), BDNF, Brain-Derived Nerve Growth Factor, BDSL, Boundary-Scan-Description Language, BDVD, Bovine Viral Diarrhea Virus, BEC, Backward Error Correction (Datenübertragung), BEC, Bose-Einstein Condensation, BEEM, Ballistic Electron Emission Microscopy, BEIR, Biological Effects of Ionizing Radiation, Bellcore, Bell Communications Research, BEM, Big Emerging Market (Welthandel), BEO, Biologie, Energie, Ökologie (KfK Jülich, Projektträger), BEPC, Beijing Electron Positron Collider, BER, Bit Error Rate (oder: Ratio), BES, Beijing Spectrometer, BESSY, Berliner Elektronen-Speicherring für Synchrotronstrahlung, BfA, Bundesanstalt für Arbeit, BfArM, Bundesinstitut für Arzneimittel und Medizinprodukte (Bonn), bFGF, Basic Fibroblast Growth Factor (?) (basischer Fibroblasten-Wachstumsfaktor), BFH, Bundesfinanzhof, BFIO, Büro für Führungskräfte zu internationalen Organisationen (Frankfurt/M), BFO, Beat Frequency Oscillator, BFP, Blue Fluorescent Protein, BGA, Ball Grid Array, Kugelgitteranordnung (Chipgehäuse), BGB, Bürgerliches Gesetzbuch, BGO, Bismuth Germinate (Gammastrahlen-Detektor), BGP, Border Gateway Protocol, BGVV, Bundesanstalt für gesundheitlichen Verbraucherschutz und Veterinärmedizin, BH, Buried Heterostructure (Laser), BHKW, Blockheizkraftwerk, BIAS, Bremer Institut für Angewandte Strahltechnik, BIBB, Bundesinstitut für Berufsbildung (Bonn), BICC, Bearer Independent Call Control (Telekommunikation), BICI, Broadband Inter-Carrier Interface (Datennetz), BiCMOS, bipolar CMOS, BIDS, Biological Integrated Detection System, BIE, Boundary Integral Equation, BIFS, Binary Format for Scenes (Digitals Fernsehen), BImschG, Bundes-Immissions-Schutzgesetz, BIOS, Basic Input/Output System, BIP, Bruttoinlandsprodukt, BIPM, Bureau International des Poids et Mésures (Sèvres, Paris), B-ISDN, Broadband ISDN, BIT, Binary Digit, BITNET, Because It's Time Network, BKA, Bundeskriminalamt, BKS, Bohr-Kramers-Slater (-Theorie) (1924), BL, Blaue Liste (Deutsche Forschungsinstitute), BLC, Back Light Compensation (Video-Kamera: Gegenlicht-Blendenvergrößerung), BLDC, Brushless d.c. (Elektromotor), BLER, Block Error Rate (Telekommunikation), BLK, Bund-Länder-Kommission für Bildungsplanung und Forschungsförderung, BLS, Bucerius Law School (Hamburg), BLSR, Bidirectional Line Switching Ring, BLTP, Bogoljubow Laboratory of Theoretical Physics (VIK, Dubna, Rußland), BLVD, Boulevard (US Mail), BM, Broadband Manager, BMB, Baltic Marine Biologists, BMBF, Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie, BMBW, Bundesministerium für Bildung und Wissenschaft, BMBWFT, Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie, BMC, Benchmarking Center (am IIS, Außenstelle Nürnberg), BMC, Burst Mode Controller (Datennetz), BMFT, Bundesministerium für Forschung und Technologie, BMG, Bundesministerium für Gesundheit, BMI, Body Mass Index (siehe KMI), BMLG, Binaural Masking Level Difference, BMS, Business Management System, BMU, Bundesministerium für Umwelt, Naturschutz und Reaktorsicherheit, BMV, Bundesministerium für Verkehr, BMWi, Bundesministerium für Wirtschaft, BMZ, Bundesministerium für wirtschaftliche Zusammenarbeit und Entwicklung, BNC, Berkeley Nucleonics Corporation, BNI, Bernhard-Nocht-Institut für Tropenmedizin (Hamburg), BNL, Brookhaven National Laboratory, BNSC, British National Space Centre, BNV, Belgische Natuurkundige Vereniging, BOOMERANG, Balloon Observations of Millimetric Extragalactic Radiation and Geomagnetics, BONT, Broadband Optical Network Termination, BOS, Behörden und Organisationen mit Sicherheitsaufgaben, BOT, Build, Operate and Transfer (Telekommunikation), BPF, Blade Pass Frequency (Propeller), BPR, Business Process Reengineering, BPS, The Bulgarian Physical Society, BPSK, Binary Phase Shift Keying (Modulation, Binäre Phasenumtastung), BPTI, Bovine Pancreatic Trypsin Inhibitor, BPX, Burning Plasma Experiment (Fusionsreaktortechnik, PPPL), BR, Basic Research (ESPRIT), BRA, Basic Rate Access (ISDN), BRAHMS, Broad Range Hadron Spectrometers (RHIC), BRITE, Basic Research in Industrial Technologies for Europe, BRS, Buried Ridge Stripe, BRT, Bruttoregistertonne, BS, Base Station (Telekommunikation), BS, British Standard, BS, Broadcast Satellite (Digital broadcast), BSC, Base Station Controller (Telekommunikation), B.Sc., Bachelor of Science, BSCCO, Barium-Strontium-Calcium-Copper Oxide, Barium-Strontium-Calcium-Kupfer-Oxid (HTSL), BSDL, Boundary-Scan Description Language, BSE, Bonn European School of Economics e.V., BSE, Bovine spongiforme Enzephalopathie, Bovine Spongiform Encephalopathy (Rinderwahnsinn), BSF, Back Surface Field (Solarzellen), BSG, Bundessozialgericht, BSH, (Medikament zur Tumorbehandlung mit Neutroneneinfangtherapie), BSML, Biosequence Markup Language, BSNR, Blurred Signal-to-Noise Ratio (Bildunschärfe), BSP, Bruttosozialprodukt, BSR, Board of Standards Review (USA), BSR, Bottom Simulating Reflector (Ozeanologie), BSRN, Baseline Surface Radiation Network, BSS, Base Station Subsystem (Telekommunikation), BSS, Broadcasting Satellite Service, BST, Band Segmented Transmission (Digital broadcast), BT, Business Telecommunications (TC im ETSI), BTA, Broadcasting Technical Association (Japan), BTPG, Boundary-Scan-Test-Program Generation, BTS, Base Transceiver Station (Telekommunikation), BTS, Broadcast Television Systems GmbH (Darmstadt), BTW, by the way, Btx, Bildschirmtext, BU, Branching Unit (Rechnernetze), Bull. P&I T.I.T., Bulletin of Precision and Intelligence Laboratory, Tokyo Institute of Technology, Yokohama, Japan, BUND, Bund für Umwelt und Naturschutz Deutschland e.V., BVPN, Broadband Virtual Private Network, BVW, Betriebliches Vorschlagswesen, b.w., bitte wenden (engl.: p.t.o.), B-WiN, Breitband-Wissenschaftsnetz (Datennetz, bis 155 Mbit/s), BWL, Beriebswirtschaftslehre, BZ, Brennstoffzelle (,  FC), B2B, Business-to-Business, B2C, Business-to-Consumer, C, C, Cytosin (DNA-Base), CA, California (US-Staat), CA, Call Agent (Telekommunikation), CA, Canada (im Internet), CA, Cancer (Krebs), CA, Cellular Automata, CA, Code Acquisition, CA, Computer Algebra, CA, Computer-Animation, CAA, Civil Aviation Authority (UK), CAAT, Center for Alternatives to Animal Testing (Johns Hopkins University, Baltimore, MD, USA), CACSD, Computer Aided Control System Design, CAD, Computer Aided Design, CADE, Computer Algebra and Differential Equations (Programm bei der GMD), CAE, Computer Aided Engineering, CAESAR, Center for Advanced European Studies and Research (Bonn), CAFE, Corporate Average Fuel Efficiency (oder: Economy), CAG, Computer Aided Gear (?) (computerunterstützte Schaltung) (Kfz), CAI, Computer-Aided (oder: Assisted) Instruction, CAIR, Center for Artificial Intelligence Research (Korea), CAL, Computer-Aided (oder: Assisted) Learning, CAM, Career Asset Manager (IEEE), CAM, Computer Aided Manufacturing, CAMA, Crew Assistand System for Military Aircraft, CAMEL, Cellular Automata Environment for Systems Modelling, CAMEL, Customized Applications for Mobile Network Enhanced Logic, CAMEO, Computer Aided Mechanistic Evaluation of Organic Reactions, CAMP, Channel Amplifier, CAN, Control Area Network, CAN, Customer Access Network, CANIF, Carbon and Nitrogen Cycling in Forest Soils, CAO, Computer Aided Optimization, CAP, Canadian Association of Physics, CAP, Carrierless Amplitude Phase (Modulation), CAP, Committee on Applied Physics (APS), CAP, Computer Aided Painting (Lackier-Roboter), CAP, Council of the American Physical Society, CAPE, Computer Assisted Process Engineering, CAPRA, Concept to Amplify Plutonium Reduction in Advanced Fast Reactors (CEA), CARAT, Computer Aided Radio and Television, CARE, Comprehensive Approach for Recycling of Electronics, CARL, Colorado Alliance of Research Libraries, CARMA, Combined Array for Research in Millimeter Astronomy (Kalifornien, USA), CARPET, Cellular Programming Environment, CARS, Coherent Anti-Stokes Raman Spectroscopy (oder: Scattering), CAS, Calorimetric Absorption Spectroscopy (?), CAS, Channel Associated Signaling, CAS, Chemical Abstracts Service (Datenbank), CAS, Committee on Assurance of Supply, CAS, Complex Adaptive Systems, CAS, Conditional Access System (Digital broadcast), CAS, Controlled Access Service, CASE, Computer Aided Software Engineering, CASI, Canadian Aeronautic and Space Institute, CASIPS, Close to Application Study in Polymer Science (IAP-Förderprogramm), CAST, Cardiac Arrythmia Suppression Trial, CAST, Competence Center for Applied Security Technology, CAT, Collaborative Access Team (beim APS, Argonne), CAT, Computer-Aided Teaching, CAT, Computerized Axial Tomography, CAT, Conditional Access Table (Telekommunikation), CATI, Computer Assisted Telephone Interviewing, CATV, Cable Television, CATV, Coaxial Television, CATV, Community (oder: Common) Antenna Television, CAVE, Cave Automatic Virtual Environment, CB, Cellular Broadcast, CB, Control Burst (Telekommunikation), CBDS, Connectionless Broadband Data Service, CBO, Congressional Budget Office (USA), CBQ, Class Based Queuing (Telekommunikation), CBR, Constant Bit Rate (Datentransfer), CBSDM, Component-Based Scene Description Model, CBT, Computer Based Training, CC, Capital Cost, cc, Carbon Copy (Durchschlag), CC, Competence Center (Rechnernetze), CC, Connection Coordinator, CCA, Continuum Computer Architecture, CCB, Customer Care and Billing (Telekommunikation), CCBS, Customer Care and Billing System (oder: Service) (Telekommunikation), CCD, Charge-Coupled Device, CCDM, Consultive Committee for the Definition of the Metre, CCDS, Comité Consultatif pour la Definition de la Seconde, CCE, Comité Consultatif d'Electricité, CCF, Call Control Function (Telekommunikation), CCFL, Cold-Cathode Fluorescent Lamp, CCIR, Comité Consultatif International des Radiocommunications, CCITT, Comité Consultatif International pour la Télégraphie et le Téléphone, CCLD, Constant Current Line Drive (Konstantstromversorgung), CCLRC, Council for the Central Laboratory of the Research Councils (UK), CCM, Comité Consultatif pour la Masse et les Grandeurs Apparantées, CCPR, Comité Consultatif de Photométrie et Radiométrie, CCS, Common Channel Signaling, CCT, Cyclic Corrosion Test (?) zyklischer Korrosionstest , CCTV, Closed Circuit Television, CCV, Control-Configured Vehicle (Flugzeug), CCVC, Capacitively Coupled Voltage Contrast, CCW, counterclockwise, CD, Chromatic Dispersion (Glasfaser), CD, Compact Disc, CDC, Center for Disease Control (Atlanta, GA), CDC, China Development Corporation (Taiwan), CDC, Control Data Corporation, CDDI, Copper Distributed Data Interface, CDE, Common Desktop Environment, CDF, Channel Definition Format, CDF, Collider Detector at Fermilab, CDF, Cumulative Density Function, CDG, Carl-Duisberg-Gesellschaft, CDG, Congenital Disorders of Glycosylation, CDH, Completely Detached H-Regime (Fusionsreaktortechnik), CD-I, Compact Disc-Interactive, CDM, Clean Development Mechanism (Umweltschutz), CDM, Code Division Multiplex(ing), CDM, Cold Dark Matter (Kosmologie), CDMA, Code Division Multiple Access (Mobilfunk), CDMS, Cryogenic Dark Matter Search (Astrophysik, USA), cDNA, Complementary DNA, CDP, Code Domain Power (Telekommunikation), CdPNo, Called Party Number, CDR, Call Data Record, CD-ROM, Compact Disc Read-Only Memory, CDS, Chromatography Data System, CDS, Coronal Diagnostic Spectrometer (an Bord von SOHO), CDS, Crosspoint Development System, CDV, Cell Delay Variation, CDVT, Cell Delay Variation Tolerance, CE, Communauté (oder: Conformité) Européenne, CE, Kapillarelektrophorese, CEA, Center for Extreme Ultraviolet Astrophysics (Berkeley, CA), CEA, Commisariat à l'Energie Atomique (Fontenay aux roses, F), CEAS, Confederation of European Aerospace Societies, CEBAF, Continuous Electron Beam Accelerator Facility (Newport News, VA), CeBIT, Centrum für Büro- und Informationstechnik (Messe, Hannover), CEC, Commission of the European Communities, CEC, Countries of Central Europe (ehem. Ostblockländer), CECS, Center for Energy and Climate Solutions (Annadale, VA, USA), CEEES, Committee of European Environmental Engineering Societies (am ICT, Pfinztal), CEET, Clean and Efficient Energy Technologies, CEI, Central European Initiative, CEIC, Committee on Electronic Information and Communication, CELIAS, Charge, Element and Isotope Analyses System (an Bord von SOHO), CELP, Code-Excited Linear Prediction, CEM, Channel Electron Multiplier, CEMA, Consumer Electronics Manufacturers Association, CEN, Centre d'études nucléaires (Bordeuax-Gradignan, F), CEN, Comité Européen de Normalisation European Committee for Standardization,, Europäisches Komitee for Normung , CENELEC, Comité Européen de Normalisation Electrotechnique, CeNS, Center for NanoScience (LMU, München), CEO, Chief Executive Officer, CEOCT, Confocal Enhanced Optical Coherence Tomography, CEPI