спіральне сканування; спіральна розгортка; спіральний радіолокаційний огляд
security dilemma / spiral mode
spiral parallel groove
angle of spiral
spiral vortex
spiral
spiral scan
automatic sector scanning
scanning of explosive
scanning pattern
buried object scanning sonar
automatic-scanning receiver
polarization scanning transmitter
across-track scanning
all-round scanning
circular scanning mode
conical scanning
radar scanning
rectangular scanning
scanning coil
raster scanning system
scanning console
sector scanning
sector scanning sketch
circular scanning
open-scanning frequency radar jamming