основний рух
eddy motion / eddying motion
principal attack
principal duty
principal military requirement (PMR)
principal position
principal reserve
principal
Principal Subordinate Command (PSC)
principal direction of fire (PDF)
principal distribution depot
principal currency / reference currency
world map of principal aeronautical features
principal subordinate commander
principal longitudinal axis
principal direction of fire
full-motion vehicle
motion imagery standards board (MISB)
pitch motion
pitching motion
roll motion
rolling motion
target motion lead angle
camming motion
uncushioned motion
point mass equation of motion
full motion full mission flight simulator
wobble (uneven, side-to-side rocking motion)
convective motion
cyclic motion
irrotational motion of a fluid
Eulerian equations of motion in a rectangular co-ordinate system
rotational motion of a fluid