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change frequency stresses
mil., avia.	частота изменения

change frequency: 47 phrases in 18 subjects

Antennas and waveguides	1
Automated equipment	2
Automobiles	1
Aviation	4
Electrical engineering	1
Electronics	8
Energy industry	2
Geophysics	3
Household appliances	1
Information security and data protection	2
Makarov	3
Mass media	2
Military	4
Music	1
Security systems	1
Technology	4
Telecommunications	6
Transport	1