Medium Range Forecast 
Materials Recovery Facility 
Material Recovery Facility 
Maintenance Reset Function 
Maintenance Responsibility File 
Media Resource Function 
Master Reference File 
Maximum Retarding Force 
Medium Range Forecasts 
Module Repair Facility 
myogenic regulatory factor 
IATA code for Marfa Municipal Airport,… 
magnorheological finishing 
Maintenance Replacement Factor 
Maintenance Replacement Factor 
Manager Review File 
Markov random field 
Master Record File 
Materials Recycling Facility 
Materials Research Facility 
Mauritanienne Air Fret 
Medical Research Foundation 
Medium-Range Forecast model 
medullary reticular formation 
MENTOR INCOME FUND, INC. 
mesencephalic reticular formation 
Metal Recovery Facility 
Meteorological Research Flight 
Meteorological Rocket Facility 
Meterological Research Facility