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уменьшение частоты stresses
avia.	loss in frequency
quant.el.	frequency downshift

уменьшение частоты: 48 phrases in 22 subjects

Automated equipment	3
Aviation	1
Aviation medicine	1
Electrical engineering	1
Electronics	5
Energy industry	1
Information security and data protection	1
Information technology	1
Jet engines	2
Makarov	4
Mass media	7
Medical	1
Medical appliances	2
Microsoft	2
Music	1
Oil / petroleum	2
Pharmacology	1
Quantum electronics	4
Security systems	1
Seismology	3
Technology	1
Telecommunications	3