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

<http://www.irandoc.acir/onto/irandoc/insp0007161>
  skos:prefLabel "Refractive index measurement"@en, "اندازه‌گیری ضریب شکست"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009520> .

<http://www.irandoc.acir/onto/irandoc/insp0013363>
  skos:prefLabel "Refractive index"@en, "ضریب شکست"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009520> .

<http://www.irandoc.acir/onto/irandoc/insp0009521>
  skos:prefLabel "Optical instrument"@en, "سنج‌افزار نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0009520> .

<http://www.irandoc.acir/onto/irandoc/insp0009520>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007161>, <http://www.irandoc.acir/onto/irandoc/insp0013363> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0009521> ;
  skos:prefLabel "شکست‌سنج"@fa, "Refractometer"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .