| Acronym | Meaning |
| SC-RPA | Single-channel Random Phase Approximation |
| AQCC | Air Quality Control Center |
| NCSE | National Council For Science And The Environment |
| HPCA | Hierarchical Principal Component Analysis |
| RSF | Radial Structure Function |
| DSPSE | Deep Space Probe Science Experiment |
| FCC | Flat Collect Circuit (in Solar Cell Array For Spacecraft) |
| HDI | High-density Inclusion |
| STPF | Stabilized-temperature Platform Furnace |
| MTBF | Mean Time Between Failure |