Japanese-Portuguese dictionary   Subject Number of entries Accumulators 193 Antennas and waveguides 975 Automatic control 546 Book binding 1 Brazil 12.224 Cables and cable production 290 Computer networks 210 Ecology 48 Economics 47 Electric machinery 466 Electric motors 721 Electric traction 834 Electrical engineering 306 Electricity generation 638 Electrochemistry 126 Electronics 3.179 General 2 International Monetary Fund 1.847 Isolation 528 Lighting other than cinema 928 Magnetics 656 Mathematics 542 Metrology 105 Microsoft 7.777 Nuclear physics 490 Patents 123 Physics 351 Piezoelectric crystals 297 Power electronics 304 Power lines 658 Power system protection 449 Printed circuit boards 35 Radio 1.804 Radiobiology 279 Radiology 735 Rail transport 465 Reliability 418 Risk Management 59 Satellite communications 195 Semiconductors 373 Sound recording 523 Superconductivity 404 Telecommunications 735 Telegraphy 701 Telephony 268 Thermal Energy 627 Transformers 208 Ultrasound 26 Vacuum tubes 578 Video recording 161 Welding 156 Wind Energy 104 Total: 44.715