| Acronym | Meaning |
 | SDRAM | Synchronous Dynamic Random-Access Memory (ess-dee-ram) |
| LO | Lao Language (ISO 639-1 Code) |
| IFF | Identification |
| RTFM | Read The Fucking/Fine Manual |
| NL | Netherlands (ISO 3166 And FIPS 10-4 Country Code Digram) - Newfoundland And Labrador (postal Symbol) |
| OSL | Open Source License - Optically Stimulated Luminescence - Orbiting Solar Laboratory |
| VACIS | Vehicle And Container Inspection System |
| XC | Ninety (in Roman Numerals) |
| IRN | Iran (ISO 3166 Trigram) |
| MPSRON | Maritime Propositioning Ship Squadron |
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