| Acronym | Meaning |
 | CCU | CRAY Charging Unit |
| PASE | Polar Air-Show Experiment |
| DOI | Department Of Interior |
| ATDRSS | Advanced TDRSS |
| AQCR | Air Quality Control Regulation |
| CAAC | Civil Aviation Administration Of China |
| NWS | Naval Weather Service |
| MF | Medium Frequency |
| ASOS | Automated Surface Observing System |
| IUTAM | International Union Of Theoretical And Applied Mechanics |
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