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

<http://www.irandoc.acir/onto/irandoc/307430002>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/272123002> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/307459002>, <http://www.irandoc.acir/onto/irandoc/307431003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/272123002> ;
  skos:prefLabel "فرکانس منظم"@fa, "Regular frequency"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/307459002>
  skos:prefLabel "فاصله فرکانس"@fa, "Frequency interval"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/307430002> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/307430002> .

<http://www.irandoc.acir/onto/irandoc/272123002>
  skos:prefLabel "فرکانس ها"@fa, "Frequencies"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/307430002> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/307431003>
  skos:prefLabel "فرکانس در واحد زمان"@fa, "Frequency per unit time"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/307430002> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/307430002> .