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abertura n
el.gen.	wyłączenie definitywne
abertura de uma antena; radiante n
antenn.	apertura promieniująca anteny; apertura anteny

abertura : 79 phrases in 28 subjects

Antennas and waveguides	12
Brazil	1
Commerce	2
Communications	2
Economics	2
Electric motors	2
Electric traction	2
Electrical engineering	3
Electricity generation	1
Electronics	5
Finances	1
General	5
Law	1
Lighting other than cinema	4
Microsoft	3
Natural sciences	3
Politics	1
Polymers	2
Power system protection	10
Radio	4
Rail transport	1
Sound recording	2
Technology	2
Telecommunications	1
Telegraphy	1
Thermal Energy	2
Transport	3
Video recording	1