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

<http://www.irandoc.acir/onto/irandoc/insp0004979>
  skos:prefLabel "Optical property"@en, "ویژگی نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0001820> .

<http://www.irandoc.acir/onto/irandoc/insp0007002>
  skos:prefLabel "Photoelasticity"@en, "نورکشسانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001820> .

<http://www.irandoc.acir/onto/irandoc/insp0001822>
  skos:prefLabel "Stress effect"@en, "اثر تنش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0001820> .

<http://www.irandoc.acir/onto/irandoc/insp0001820>
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:altLabel "stress-optical effect"@en ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0001819> ;
  skos:prefLabel "اثر پیزواپتیکی"@fa, "Piezo-optical effect"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010163>, <http://www.irandoc.acir/onto/irandoc/insp0007002> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0001822>, <http://www.irandoc.acir/onto/irandoc/insp0004979> .

<http://www.irandoc.acir/onto/irandoc/insp0001819>
  skos:prefLabel "Piezoreflectance"@en, "فشاربازتاب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0001820> .

<http://www.irandoc.acir/onto/irandoc/insp0010163>
  skos:prefLabel "High-pressure effect"@en, "اثر فشار بالا"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001820> .