частковоортодромічна система координат
electronic geographic coordinate navigation
position and navigation unit / position navigation unit (PNU)
geographic coordinate system
grid coordinate system
celestial coordinate system
coordinate system
rectangular coordinate system
spherical coordinate system
transverse-pole rectangular coordinate system
transverse-pole spherical coordinate system
earth-centered earth-fixed coordinate system (ECEF)
fixed coordinate system
map-grid coordinate system
orbital coordinate system
polar coordinate system
primary great circle spherical coordinate system
earth-based coordinate system
Cartesian coordinate system
base leg turning waypoint
bipod leg
bipod leg assembly
bipod leg clamp
downwind leg turning waypoint
brace leg foot
hop on one leg
folding leg
leg strap for a parachute
base leg
cross-wind leg
down-wind leg
non-retractable three-leg landing gear
radio-range leg