| Acronym | Meaning |
 | AZ | Arizona (postal Symbol) - Azerbaijan (ISO 3166 Digram) |
| OSERS | U.S. Department Of Education Office Of Special Education And Rehabilitative Services |
| RJD | Reduced Julian Day |
| SIW | Simulation Interoperability Workshop |
| ABB | ASEA Brown Boveri (Swiss-Swedish Multinational Company) |
| UEFA | Union Of European Football Associations |
| WSM | Samoa (ISO 3166 Trigram; From West Samoa) |
| FID | F?d?ration Internationale Des ?checs (French World Chess Federation) |
| CSR | Control Supply Rate |
| DTRA | Defense Threat Reduction Agency (deet-ra) |
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