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

<http://www.irandoc.acir/onto/irandoc/insp0002965>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000193> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0002966> ;
  skos:prefLabel "Ultrasonic refraction"@en, "شکست فراصوتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp000193>
  skos:prefLabel "Ultrasonic propagation"@en, "انتشار فراصوتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0002965> .

<http://www.irandoc.acir/onto/irandoc/insp0002966>
  skos:prefLabel "Acoustic wave refraction"@en, "شکست موج آکوستیکی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0002965> .