@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/272087001>
  skos:prefLabel "واحد قدرت لنز نوری"@fa, "Unit of optical lens power"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/282253009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/282253009> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/767524001>
  skos:prefLabel "واحد اندازه گیری (مقدار واجد شرایط)"@fa, "Unit of measure (qualifier value)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/282253009> .

<http://www.irandoc.acir/onto/irandoc/282253009>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/767524001> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/272087001>, <http://www.irandoc.acir/onto/irandoc/258743006>, <http://www.irandoc.acir/onto/irandoc/282574009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/767524001> ;
  skos:prefLabel "واحد نورسنجی و اپتیک"@fa, "Unit of photometry and optics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/258743006>
  skos:prefLabel "واحدهای OD"@fa, "OD units"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/282253009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/282253009> .

<http://www.irandoc.acir/onto/irandoc/282574009>
  skos:prefLabel "کمیت های فتومتریک و رادیومتریک"@fa, "Photometric and radiometric quantities"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/282253009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/282253009> .