Japanese-Portuguese dictionary   Subject Number of entries Accumulators 192 Antennas and waveguides 975 Automatic control 546 Book binding 1 Brazil 12.210 Cables and cable production 290 Computer networks 209 Ecology 48 Economics 47 Electric machinery 466 Electric motors 721 Electric traction 833 Electrical engineering 306 Electricity generation 638 Electrochemistry 126 Electronics 3.176 General 2 International Monetary Fund 1.843 Isolation 526 Lighting other than cinema 904 Magnetics 656 Mathematics 542 Metrology 105 Microsoft 7.751 Nuclear physics 489 Patents 123 Physics 348 Piezoelectric crystals 297 Power electronics 304 Power lines 656 Power system protection 449 Printed circuit boards 35 Radio 1.803 Radiobiology 279 Radiology 732 Rail transport 464 Reliability 414 Risk Management 59 Satellite communications 195 Semiconductors 373 Sound recording 523 Superconductivity 403 Telecommunications 733 Telegraphy 701 Telephony 268 Thermal Energy 627 Transformers 208 Ultrasound 26 Vacuum tubes 578 Video recording 161 Welding 156 Wind Energy 104 Total: 44.621