@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/insp0007811>
  skos:prefLabel "Piezoelectric materials"@en, "مواد فشاربرق"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004741> .

<http://www.irandoc.acir/onto/irandoc/insp0012283>
  skos:prefLabel "Piezoelectricity"@en, "فشاربرق"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004741> .

<http://www.irandoc.acir/onto/irandoc/insp0002809>
  skos:prefLabel "Crystal oscillator"@en, "نوسانگر بلوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004741> .

<http://www.irandoc.acir/onto/irandoc/insp0004743>
  skos:prefLabel "Oscillation"@en, "نوسان"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0004741> .

<http://www.irandoc.acir/onto/irandoc/insp0006853>
  skos:prefLabel "Vibrations"@en, "ارتعاش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004741> .

<http://www.irandoc.acir/onto/irandoc/insp0004741>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0012283>, <http://www.irandoc.acir/onto/irandoc/insp0002809>, <http://www.irandoc.acir/onto/irandoc/insp0006853>, <http://www.irandoc.acir/onto/irandoc/insp0007811> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0004743> ;
  skos:prefLabel "Piezoelectric oscillation"@en, "نوسان فشاربرق"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .