{"tema_id":"649","string":"2 Membran\u00f3fonos","created":"2009-03-05 11:39:13","code":"","modified":"2009-03-24 14:59:28","notes":[{"@type":"Nota de alcance","@lang":"es","@value":"El sonido\u00a0se\u00a0produce\u00a0por la vibraci\u00f3n de\u00a0membranas en tensi\u00f3n."}]}