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to phrases
عن
adv.
gen.
o
عن
:
206 phrases
in 26 subjects
Antennas and waveguides
2
Automatic control
27
Computer networks
3
Electric motors
1
Electric traction
3
Electrical engineering
5
Electricity generation
5
Electronics
18
Environment
18
General
10
Mathematics
1
Metrology
1
Microsoft
50
Piezoelectric crystals
1
Power lines
6
Power system protection
1
Radio
6
Radiobiology
1
Radiology
1
Rail transport
1
Reliability
4
Satellite communications
2
Telecommunications
24
Telegraphy
12
Telephony
2
Vacuum tubes
1
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