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

<http://www.irandoc.acir/onto/irandoc/insp0008753>
  skos:prefLabel "بلندی (صوت)"@fa, "Loudness"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007057> .

<http://www.irandoc.acir/onto/irandoc/insp0007057>
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0007116>, <http://www.irandoc.acir/onto/irandoc/insp0007063> ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:prefLabel "Acoustic intensity measurement"@en, "اندازه‌گیری شدت آکوستیکی"@fa ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0015154>, <http://www.irandoc.acir/onto/irandoc/insp0008753>, <http://www.irandoc.acir/onto/irandoc/insp0015240> ;
  skos:altLabel "acoustic pressure measurement"@en .

<http://www.irandoc.acir/onto/irandoc/insp0015240>
  skos:prefLabel "Sound-level meter"@en, "سنجه‌تراز صوت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007057> .

<http://www.irandoc.acir/onto/irandoc/insp0015154>
  skos:prefLabel "Acoustic field"@en, "میدان آکوستیکی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007057> .

<http://www.irandoc.acir/onto/irandoc/insp0007116>
  skos:prefLabel "Intensity measurement"@en, "اندازه‌گیری شدت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007057> .

<http://www.irandoc.acir/onto/irandoc/insp0007063>
  skos:prefLabel "Acoustic variables measurement"@en, "اندازه‌گیری متغیرهای آکوستیکی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007057> .