| Acronym | Meaning |
 | GULAG | Glavnoye Upravleniye Ispravitelno-trudovykh LAGerei I Kolonii (Russian ??????? ?????????? ????????????? ???????? ??????? ? ??????? |
| AFG | Afghanistan (ISO 3166 Trigram) |
| MACHO | MAssive Compact Halo Object |
| HG | Mercury (Latin Hydrargyrum) |
| CJD | Chronological Julian Day - Creutzfeldt-Jakob Disease |
| FC | Femtocoulomb |
| UK | Ukrainian Language (ISO 639-1 Code) |
| DEM | Data Exchange Mechanism - Digital Elevation Model |
| IDE | Integrated Development Environment - Integrated Drive Electronics |
| SDO | Scattered Disc Object |
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