| Standing Waves Generated by String Vibration | 
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| Written by Thatcha Namnon | 
| Monday, 21 October 2013 12:31 | 
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 Standing Waves Generated by machine-controlled String Vibration ที่มา : youtube.com  อัพโหลดโดย ToneSpectra.com 
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| Last Updated on Saturday, 11 January 2014 20:07 |