| hertz |
an international unit of frequency equal to one cycle per second, and named after a German physicist.
출처: www.pnl.gov/atmos_sciences/Cdw/Glossary.html
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| hertz |
(Hz.) Unit of frequency. One hertz is equal to one cycle per second.
출처: www.sciencelobby.com/dictionary/h.html
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| hertz |
Measurement unit for vibrations or frequencies (certain amount of vibration in a certain period of time). One Hertz (Hz) equals one vibration per second. Light waves vibrate at several trillion Hertz. Sound waves, audible to the human ear, vibrate at a rate between 20 and 20.000 Hertz.
출처: www.himalayasaltcrystal.com/glossary.htm
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| hertz |
Unit for frequency of a periodic phenomenon measured in cycles per second.
출처: www.control.co.kr/dic/dic-h.htm
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| hertz |
An international measure of frequency or vibration equal to 1 cycle per second. The alternative current frequency used in North America is 60 hertz. In Europe and some other parts of the world it is 50 hertz.
출처: www.dairynet.com/kids/gloss.html
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