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OP open platform
(en)
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OPA optical parametric amplifier
(en)
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OPAC online public access catalogue (Internet)
(en)
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OPAL Optische Anschlussleitung
(de)
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OPAL Optische Anschlussleitung
(de)
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OpAmp operational amplifier
(en)
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OPC open platform communications
(en)
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OPC optical proximity correction (Chip)
(en)
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OPC originating point code (SS7, Q.704)
(en)
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OPC OLE for process control
(en)
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OPC organic photo conductor (laser printer)
(en)
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OPC-UA open platform communications unified architecture (SOA)
(en)
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OPEN one-pair Ethernet (UTP)
(en)
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OpenLDI open LVDS digital interface
(en)
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OPERA open PLC European research alliance (powerline)
(en)
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OpEx operating expenditures
(en)
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OPF open packaging format (EPUB)
(en)
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OPML outline processor markup language (XML)
(en)
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OPO on-page optimization
(en)
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OPP order penetration point
(en)
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OPP object push profile (Bluetooth)
(en)
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OPPCharge opportunity charging
(en)
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OPS open publication structure (EPUB)
(en)
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OPS open parking system (traffic)
(en)
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OPS open profiling standard (e-commerce)
(en)
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OPS open pluggable specification
(en)
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ops operations per second (SPEC)
(en)
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OPT online-personalisation of terminals (ATM)
(en)
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OPTU optical payload tributary unit (OTN)
(en)
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OPU optical payload unit (OTN)
(en)
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OPV Operationsverstärker
(de)
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OPV Operationsverstärker
(de)
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OPVC optical payload virtual container (OTN)
(en)
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OPX off premises extension (PBX)
(en)
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