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излучение фона stresses
astronaut.	background radiation
med.appl.	ambient radiation
tech.	radiation background

излучение фона: 62 phrases in 14 subjects

Astronautics	4
Astronomy	4
Ecology	1
Makarov	7
Medical	1
Military	6
Nanotechnology	4
Nuclear and fusion power	2
Oil / petroleum	1
Quantum electronics	4
Shipbuilding	1
Technology	12
Telecommunications	3
Радиоактивное излучение	12