| Acronym | Meaning |
| EF | Emission Factor |
| PRC | People's Republic Of China |
| FP | Plasma Frequency |
| NSDA | National Space Development Agency |
| ESL | Earth Sciences Laboratories |
| GCEC | Global Change And Ecological Complexity |
| AAS | American Astronomical Society |
| LTER | Long-Term Ecological Research Program |
| MRF | Medium-Range Forecast |
| I/ O | Input/output |