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frequency filterstresses
el. частотный фильтр
frequency filter: 99 phrases in 18 subjects
Aviation1
Electrical engineering25
Electricity1
Electronics11
General2
Geophysics7
Makarov11
Mass media3
Mathematics1
Military2
Missiles1
Music1
Nanotechnology7
Quantum electronics1
Sakhalin1
Security systems1
Technology16
Telecommunications7