Sloan Digital Sky Survey
Space Division Shuttle Simulator
Spatial Decision Support System
Spatial decision support systems
Self-Deploying Space Station
Server Display And Script Services
Software Development Support System
South Delta Secondary School
Spatial Data Standards Study
speech discrimination scores
St Dominic Savio School
standard deviation scores
State Department of Social Services
Strategic Decision Support System
Substance Dependence Severity Scale
Super-Duplex Stainless Steel