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

<http://www.irandoc.acir/onto/irandoc/NEMA0001809>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001811>, <http://www.irandoc.acir/onto/irandoc/NEMA0003678> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0001831> ;
  skos:prefLabel "ثانیه"@fa, "second"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0001811>
  skos:prefLabel "دقیقه"@fa, "minute"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001809> .

<http://www.irandoc.acir/onto/irandoc/NEMA0003678>
  skos:prefLabel "MKS system"@en, "سیستم آحاد متریک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001809> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001831>
  skos:prefLabel "مدت"@fa, "duration"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0001809> .