(рлк.) калібрувальне коло
fall of shot calibration (fall-of-shot calibration)
fuse calibration correction / fuze calibration correction
declination aiming circle (declinated aiming circle)
fuze calibration correction
calibration and checking system
ground calibration
instrument calibration
absolute calibration
calibration pip
calibration ring
range calibration
calibration adjustment (fire)
calibration correction
calibration error
calibration point
calibration scale
calibration test
vertical calibration correction
calibration
aiming circle
azimuth circle
horizontal circle clamp
periscopic aiming circle
aiming circle monocular
artillery aiming circle
azimuth aiming circle head
killing circle
circle
danger circle
elevation circle
paraselenic circle
parhelic circle