Portuguese-Arabic dictionary   Subject Number of entries Accumulators 200 Antennas and waveguides 1.284 Automatic control 698 Book binding 1 Cables and cable production 302 Computer networks 313 Ecology 73 Economics 1 Electric machinery 465 Electric motors 913 Electric traction 952 Electrical engineering 320 Electricity generation 757 Electronics 2.658 Environment 5.776 General 1 International Monetary Fund 12.978 Isolation 587 Lighting other than cinema 1.317 Magnetics 679 Mathematics 3.641 Metrology 117 Microsoft 17.470 Name of organization 17 Obsolete / dated 3 Pest control 4 Physics 411 Piezoelectric crystals 456 Power electronics 271 Power lines 712 Power system protection 478 Printed circuit boards 36 Radio 1.764 Radiobiology 338 Radiology 886 Rail transport 483 Reliability 508 Satellite communications 199 Semiconductors 342 Sound recording 534 Statistics 2.542 Telecommunications 897 Telegraphy 877 Telephony 307 Thermal Energy 656 Transformers 222 Ultrasound 32 Vacuum tubes 685 Video recording 158 Welding 153 Wind Energy 105 Total: 65.579