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попятное движение stresses
gen.	retrogradation; recoiling
astr.	backward movement (светила); retrograde motion (светила)
astr., Makarov.	backward motion; backward movement
astronaut.	antecedence
Makarov.	regress
math.	retrogression; retrograde motion
mil.	rearward movement (Andrey Truhachev)
obs.	recoilment
psychol.	regression

попятное движение: 3 phrases in 2 subjects

Astronautics	2
Nanotechnology	1