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to phrases
constant frequencystresses
el. неизменная частота
tech. постоянная частота; неизменная постоянная частота
constant-frequency: 50 phrases in 20 subjects
Accounting1
Acoustics1
Antennas and waveguides2
Astronautics1
Aviation1
Crystallography1
Economy2
Electrical engineering4
Electronics5
Energy industry1
Geophysics4
Makarov1
Mass media6
Mathematics1
Metrology2
Military2
Nanotechnology2
Physics3
Technology8
Telecommunications2