non-rated
unswitched fused spur
SPAM satellite processor access method
span control
span extension
span reticle
span wise lift distribution
spanwise camber
spanwise distance
spanwise distribution
spanwise loa
spanwise load
spar beam
SSARC
spare float
spare repository
spare requirement
spark advance control
spark channel
spark interference
spark kernel
spark photography
spark plug bushing
spark volume
spark-erosion machining
spark-erosion perforation
spark-erosion wire cutting
SPARRSO
spatial and temporal periodicity
spatial bound
spatial and temporal distribution
spatial body
spatial calibration
spatial development
spatial divergence
spatial fuel
spatial gap
spatial isolation frequency reuse
spatial Laplacian
spatial orientation trainer
spatial survey