| Acronym | Meaning |
 | WG | Working Group - Wade-Giles |
| ASR | Anti Slip Regulation |
| ASD(SO&HA) | (U.S.) Assistant Secretary Of Defense (Special Operations & Humanitarian Assistance) |
| LER | Loss-Exchange Ratio |
| CHI | Computer-Human Interaction |
| BA | Bachelor Of Arts -Bahrain (FIPS 10-4 Country Code) - Bosnia And Herzegovina (ISO 3166 Digram) -British Airways - British Army |
| PNS | Pensacola |
| SARR | Search And Rescue Repeater |
| SEM | Sensor Employment Manager |
| SL | Sierra Leone (ISO 3166 And FIPS 10-4 Country Code Digram) -Start Line |
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