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радиоастрономические исследования stresses
astr.	radio-astronomical researchs; radio-astronomical studs; radio investigations; radio researchs; radio studs
Makarov.	radioastronomical explorations; radioastronomical research; radioastronomical studies
mil., avia.	radio astronomy observation
tech.	radio astronomical observation

радиоастрономические исследования: 7 phrases in 3 subjects

Astronautics	3
Military	3
Technology	1