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

<http://www.irandoc.acir/onto/irandoc/NEMA000366>
  skos:prefLabel "نورشناسی هندسی"@fa, "geometrical optics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004775> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004780>
  skos:prefLabel "انتشار موج"@fa, "wave propagation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004775> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004498>
  skos:prefLabel "نورمرئی"@fa, "visible light"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004775> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004766>
  skos:prefLabel "انعکاس"@fa, "reflection"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004775> .

<http://www.irandoc.acir/onto/irandoc/NEMA000367>
  skos:prefLabel "نورشناسی"@fa, "optics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004775> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004770>
  skos:prefLabel "پراش"@fa, "diffraction"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004775> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004775>
  skos:prefLabel "refraction"@en, "شکست (فیزیک)"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004780> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004770>, <http://www.irandoc.acir/onto/irandoc/NEMA000367>, <http://www.irandoc.acir/onto/irandoc/NEMA0004766>, <http://www.irandoc.acir/onto/irandoc/NEMA0004028>, <http://www.irandoc.acir/onto/irandoc/NEMA000366>, <http://www.irandoc.acir/onto/irandoc/NEMA0004498>, <http://www.irandoc.acir/onto/irandoc/NEMA0004771> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004028>
  skos:prefLabel "عدسی‌های نوری"@fa, "optical lenses"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004775> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004771>
  skos:prefLabel "تداخل موج"@fa, "wave interference"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004775> .