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unit frequency stresses
math.	единичная частота

unit frequency : 62 phrases in 21 subjects

Acoustics	3
Air defense	1
Antennas and waveguides	3
Astronautics	2
Astronomy	5
Energy industry	2
Geophysics	1
High frequency electronics	1
Leather	1
Makarov	4
Mass media	1
Medical	1
Medical appliances	1
Metallurgy	1
Military	6
Soviet	5
Space	3
Technology	8
Telecommunications	9
Torpedoes	1
Welding	3