Russian ⇄ Afrikaans Arabic Basque Catalan Chinese Danish Dutch English Estonian Finnish French German Greek Hungarian Icelandic Italian Khmer Korean Lithuanian Norwegian Bokmål Persian Polish Portuguese Serbian Slovene Spanish Swedish Turkish Ukrainian

оперативные исследования stresses
econ.	operational research
оперативное исследование
math.	operations research (am.); operational research (br.)
mil.	operational research
stat.	operating characteristic

оперативные исследования: 19 phrases in 3 subjects

Astronautics	1
Ecology	1
Military	17