Astronomy Abbreviations and Acronyms
- ECAEarth-Crossing Amteroid
- ECAElectronics Control Assembly
- ECAEarth-Crossing Asteroid
- ECAMSATEx Coli Antimicrobial Satellite
- ECCLSEuropean Committee On Clinical Laboratory Standards
- ECEFEarthCentered EarthFixed
- ECFEuropean Coordinating Facility
- ECOEarth crossing object
- ECRBExternal Change Review Board
- ECRIEmergency Care Research Institute
- ECSElectronic Chart System
- ECSExperimental Communication Satellite
- ECSEnvironmental Control System (Subsystem)
- ECSSEuropean Cooperation for Space Standardization
- ECTEquator Crossing Time
- EDExtra-Low Dispersion
- EDNasa Education
- EDEdit
- EDBEngineering Data Base
- EDMAEuropean Diagnostics Manufacturer'S Association
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