| Acronym | Meaning |
 | DDA | Digital Differential Analyzer - Deputy District Attorney |
| WSC | Weapon System Catalogue |
| EDECSIM | Extended Directed Energy Combat Simulation |
| NCES | U.S. National Center For Education Statistics - Net-Centric Enterprise Services |
| IIE | Innovative Interstellar Explorer |
| CN | Canadian National (railway) -China (ISO 3166 Digram) - Comoros (FIPS 10-4 Country Code) |
| LAO | Laos (ISO 3166 Trigram) |
| ICZN | International Code Of Zoological Nomenclature - International Commission On Zoological Nomenclature |
| GNOME | GNU Network Object Model Environment |
| KG | Kyrgyzstan (FIPS 10-4 Country Code; ISO 3166 Digram) |
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