TK Electrical engineering. Electronics Nuclear engineering 33 TJ Mechanical engineering and machinery 22 QC Physics 12 TA Engineering (General). Civil engineering (General) 12 T Technology (General) 8 QA75 Electronic computers. Computer science 7 QA Mathematics 4 QH301 Biology 4 TP Chemical technology 4 HD1394-1394.5 Real estate management 3 Phonetics 3 QA76 Computer software 3 TA1-2040 Engineering (General). Civil engineering (General) 3 Acoustics 2 Chinese language 2 Machine design and drawing 2 Q Science (General) 2 QH Natural history 2 Sound 2 TD Environmental technology. Sanitary engineering 2 TH Building construction 2 Whakapapa 2 ARCore 1 ARFoundation 1 Acoustic ecology 1 Acoustic response 1 Acoustics in engineering. Acoustical engineering 1 Acoustics, Noise, Flow-induced Noise 1 Adaptive filter 1 Ambient intelligence 1