Audio frequency

https://www.wikidata.org/wiki/Q1413664

Field Hierarchy

Parent
Computer science 54.8M papers	Physics 31.7M papers	Engineering 23.9M papers	Quantum mechanics 13.1M papers
Electrical engineering 4.7M papers	Telecommunications 4.3M papers	Acoustics 2.8M papers	Voltage 1.6M papers
Sound pressure 50.3k papers
Current
Audio frequency 1,072 papers
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History