| Acronym | Meaning |
 | EPR | Electon Paragmagnetic Resonance |
| RAS | Retrospective Analysis System |
| ADISS | Analytical Data Interchange And Storage Standards |
| NSSFC | National Severe Storms Forecast Center |
| LTER | Long Term Ecological Research |
| AQD | Atmospheric Quality Division |
| MMOL | Manned Orbital Laboratory |
| IR | Infrared |
| ADR | Alternative Dispute Resolution |
| RO | Solar Radius |
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