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

<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/insp0015144> .

<http://www.irandoc.acir/onto/irandoc/insp0015148>
  skos:prefLabel "Acoustics"@en, "صوت‌شناسی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0015144> .

<http://www.irandoc.acir/onto/irandoc/insp0015144>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0015143> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0006853> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0015148> ;
  skos:prefLabel "Structural acoustics"@en, "صوت‌شناسی ساختاری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0015143>
  skos:prefLabel "Architectural acoustics"@en, "صوت‌شناسی معمارانه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0015144> .