(мор.) лінійка для проведення паралейних ліній
rule of law
slide rule
strong-arm rule
aiming rule operator
aiming rule
alidade rule
gun rule
decision rule
Prandtl-Glauert rule
rule
rule-making
nautical slide rule
one half thickness rule
safe pocket rule
radiation slide rule
martial rule
mil rule
parallel barrage
parallel pursuit
spiral parallel groove
creeping parallel barrage
immovable parallel barrage
parallel sweep search
dependent parallel approach
independent parallel approach
plane-parallel flow
parallel
parallel approach
parallel track pattern
get the guns parallel on their zero line
parallel fire
parallel lines of fire