Atmosphere Abbreviations and Acronyms
- AOSOAdvancp Orbiting Solar Observatory
- AOSPAdvanced Onboard Signal Processor
- AOTAerosol Optical Thickness
- APAREAsian/Pacific Regional Experiment
- APASAstrophysical
- APCVDAtmospheric-Pressure Chemical Vapor Deposition
- APDFAccelerator Performance Demonstration Facility
- APEAction Plan Element
- APEAirborne Polar Experiment
- APENAir Pollution Emissions Notice
- APEXAcid Precipitation Experiment
- APIAxial Power Indicator
- APJThe Astrouhysical Journal
- APLAverage Power Laser
- APLJHUApplied Physics Laboratory John Hcpkins University
- AQCAAir Quality Control Act
- AQCRAir Quality Control Regulation
- AQDAtmospheric Quality Division
- AQMAtmosphermc Quality and Modification
- AQMEIIAir Quality Model Evaluation International Initiative
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