Polish-Chinese dictionary   Subject Number of entries Accumulators 326 Automatic control 733 Book binding 1 Cables and cable production 332 Computer networks 285 Construction 123 Ecology 86 Economics 78 Electric machinery 867 Electric motors 61 Electrical engineering 39 Electricity generation 214 Electrochemistry 159 Electronics 2.633 Environment 6.677 General 12.867 Isolation 599 Magnetics 14 Mathematics 6.323 Metrology 198 Microsoft 1.167 Nuclear physics 751 Patents 157 Physics 477 Piezoelectric crystals 480 Power electronics 20 Power system protection 254 Printed circuit boards 1 Radio 10 Reliability 451 Risk Management 94 Semiconductors 580 Statistics 1.466 Superconductivity 592 Thermal Energy 972 Ultrasound 44 Video recording 93 Welding 204 Total: 40.428