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

<http://www.irandoc.acir/onto/irandoc/insp0013169>
  skos:prefLabel "Active noise control"@en, "واپایش نوفه فعال"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0013170> .

<http://www.irandoc.acir/onto/irandoc/insp0013171>
  skos:prefLabel "Acoustic variables control"@en, "واپایش متغیرهای آکوستیکی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0013170> .

<http://www.irandoc.acir/onto/irandoc/insp0013170>
  skos:altLabel "کنترل نوفه"@fa, "" ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0013169> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0013171> ;
  skos:prefLabel "Noise control"@en, "واپایش نوفه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .