| Acronym | Meaning |
 | SSE | South South-East -Streaming SIMD Extensions |
| NBACC | U.S. National Biodefense Analysis And Countermeasures Center (enn-back) |
| NF | Norfolk Island (ISO 3166 Digram) |
| SL | Slovenian Language (ISO 639-1 Code) |
| SLAC | Stanford Linear Accelerator Center |
| EMA | European Medicines Agency |
| SOC | Sector Operations Centre |
| AGC | Apollo Guidance Computer - Automatic Gain Control |
| PPM | Parts Per Million |
| USNG | United States National Grid |
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