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

<http://www.irandoc.acir/onto/irandoc/insp000992>
  skos:prefLabel "Optical testing"@en, "آزمون نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp000991> .

<http://www.irandoc.acir/onto/irandoc/insp0007204>
  skos:prefLabel "Optical time-domain reflectometry"@en, "بازتاب‌سنجی حوزه زمان نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000991> .

<http://www.irandoc.acir/onto/irandoc/insp0007156>
  skos:prefLabel "Optical loss measurement"@en, "اندازه‌گیری اتلاف نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000991> .

<http://www.irandoc.acir/onto/irandoc/insp0007828>
  skos:prefLabel "Optical fibres"@en, "الیاف نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp000991> .

<http://www.irandoc.acir/onto/irandoc/insp000991>
  skos:altLabel "optical fiber testing"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007204>, <http://www.irandoc.acir/onto/irandoc/insp0007156> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp000992>, <http://www.irandoc.acir/onto/irandoc/insp0007828> ;
  skos:prefLabel "Optical fibre testing"@en, "آزمون تار نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .