English ⇄ Russian +

vertical tracking stresses
el.	вертикальное следование
mil., air.def.	сопровождение по углу места

vertical tracking : 13 phrases in 10 subjects

Abbreviation	2
Air defense	2
Artillery	1
Astronautics	1
Electronics	1
Gyroscopes	1
Household appliances	1
LP players	2
Makarov	1
Mass media	1