Signaling Link Code 
Signalling Link Code 
Space Launch Complex 
Subscriber Loop Carrier 
Sidelobe Cancellation 
Subscriber Line Charge 
System Life Cycle 
Service Level Contract 
Single Layer Ceramic 
San Luis Central Railroad 
shuttle launch complex 
Shuttle Launch Control 
Simple Line Code 
Simulated Linguistic Computer 
standby liquid control 
Straight-Line Capacitance 
Subscriber line carrier 
Super Low Cost 
Surface Laminar Circuit 
satellite laser communications 
Search-Light Control 
Side Lobe Canceller 
Side Lobe Clutter 
single line concept 
Single Loop Controller 
SLAC Linear electron-positron Collider 
Small cell Lung Carcinoma 
Specialized Logistics Carrier 
Sport and Leisure Commerce 
Stanford Linear Collider