| Acronym | Meaning |
 | EO | Office Of Education And Outreach |
| EF | Emission Factor |
| OBS | Organizational Breakdown Structure |
| OSR | Office Of Scientific Research |
| MFD | Master File Directory |
| ISNAR | International Service For National Agricultural Research |
| NCAR/UCAR | National Center For Atmospheric Research |
| ASW | Antisubmarine Warfare |
| RSCS | Remote Spooling Communications Subsystem |
| CAAC | Civil Aviation Administration Of China |
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