standard-requirements code System Resource Controller Sample Return Container Science Research Council Sample Return Capsule source Strategic Review Committee Syracuse Research Corporation Saskatchewan Research Council Semiconductor Research Corporation Sound Ranging Control Source Range Channel Spares receiving checklist Standard Requirement Code Standard Requirements Code Strasburg Railroad Strategic Reconnaissance Center Survival Recovery Center sample rate conversion Scientific Research Council Secondary Reference Cube Selective Ride Control service reception center sheep red cells short rotation coppice Signalling Rate capability Software Repair Center Solvent Refined Coal Solvent-refined coal Specimen Research Centrifuge