@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/250889006>
  skos:prefLabel "سطح شنوایی"@fa, "Hearing level"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/250888003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/250888003> .

<http://www.irandoc.acir/onto/irandoc/250894006>
  skos:prefLabel "سطح پوشش"@fa, "Masking level"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/250888003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/250888003> .

<http://www.irandoc.acir/onto/irandoc/250893000>
  skos:prefLabel "سطح صدای ناخوشایند"@fa, "Uncomfortable loudness level"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/250888003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/250888003> .

<http://www.irandoc.acir/onto/irandoc/250888003>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/364027000> ;
  skos:prefLabel "سطح صدا"@fa, "Sound level"@en ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/250893000>, <http://www.irandoc.acir/onto/irandoc/250889006>, <http://www.irandoc.acir/onto/irandoc/250894006>, <http://www.irandoc.acir/onto/irandoc/250892005> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/364027000> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> .

<http://www.irandoc.acir/onto/irandoc/364027000>
  skos:prefLabel "ویژگی تست شنوایی شناسی"@fa, "Audiological test feature"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/250888003> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/366105005> ns0:Interprets <http://www.irandoc.acir/onto/irandoc/250888003> .
<http://www.irandoc.acir/onto/irandoc/250892005>
  skos:prefLabel "راحت ترین سطح گوش دادن"@fa, "Most comfortable listening level"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/250888003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/250888003> .

<http://www.irandoc.acir/onto/irandoc/250895007> ns0:Interprets <http://www.irandoc.acir/onto/irandoc/250888003> .