Stored Program Element System
Soft Particle Energy Spectrometer
solar particle events
San Pedro Elementary School
Satellite Precipitation Estimates
Schafer Park Elementary School
screen-printed electrodes
Senior Procurement Executives
Short Parkinson's Evaluation Scale
Short Psychiatric Evaluation Schedule
Sierra Park Elementary School
Single Photon Emission Scanning
Sobrante Park Elementary School
Software Process Engineers
Software Product Evaluations
South Park Elementary School
step potential electrochemical spectroscopy
Stimulation Programme for Economic Science
streptococcal pyrogenic exotoxins
Studio per Edizione Scelte
Swedish Performance Evaluation System
Sylvan Park Elementary School
Synchronous Payload Envelopes
Synergistic Processor Elements
Secretaria de Projetos Especiais de Saúde
Selective Production of Exotic Species
Synergistic Processing Engines