modulated signal

: 68 phrases in 16 subjects

Acoustics	2
Astronautics	3
Automated equipment	2
Bioacoustics	1
Electrical engineering	2
Electronics	4
General	1
Information security and data protection	2
Makarov	9
Mass media	5
Medical appliances	1
Nanotechnology	1
Nautical	1
Radioengineering	2
Technology	17
Telecommunications	15