ていしゅうは
低周波
1. low frequency
2. Audio frequencyAn audio frequency or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human. It is the property of sound that most determines pitch and is measured in hertz (Hz). The generally accepted standard range of audible frequencies is 20 to 20,000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.
Read “Audio frequency” on English Wikipedia
Read “低周波” on Japanese Wikipedia
Read “Audio frequency” on DBpedia
Read “Audio frequency” on English Wikipedia
Read “低周波” on Japanese Wikipedia
Read “Audio frequency” on DBpedia
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