| Acronym | Meaning |
 | LKR | Sri Lanka Rupee (ISO 4217 Currency Code) |
| CTIS | Central Tire-Inflation System |
| ATI | Allied Telesyn International |
| NBT | Nitroblue Tetrazolium (assay) |
| NFK | Norfolk Island (ISO 3166 Trigram) |
| QPR | Queens Park Rangers (English Football Team) |
| BRS | Battlefield Reasoning System |
| OC | Observer/Controller |
| AMSAA | U.S. Army Materiel Systems Analysis Activity |
| ERA | Earned Run Average - Engineering Research Associates - Equal Rights Amendment - English Racing Automobiles - European Railway Agency |
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