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na prep.
gen.	على   ؛فوق
Polish thesaurus
EN abbr.
abbr., construct.	elektroda do napawania
NA abbr.
abbr., antenn., opt.	apertura numeryczna

na: 507 phrases in 34 subjects

Antennas and waveguides	2
Automatic control	16
Cables and cable production	5
Computer networks	7
Ecology	4
Electric machinery	6
Electric motors	4
Electric traction	19
Electrical engineering	6
Electricity generation	7
Electronics	23
Environment	86
General	25
Isolation	13
Lighting other than cinema	3
Magnetics	11
Mathematics	14
Microsoft	161
Piezoelectric crystals	4
Power electronics	1
Power lines	1
Power system protection	2
Radio	13
Radiology	7
Rail transport	6
Reliability	24
Satellite communications	2
Semiconductors	3
Sound recording	6
Statistics	1
Telecommunications	10
Telegraphy	7
Telephony	5
Vacuum tubes	3