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

<http://www.irandoc.acir/onto/irandoc/NEMA000803>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000795>, <http://www.irandoc.acir/onto/irandoc/NEMA000808>, <http://www.irandoc.acir/onto/irandoc/NEMA0004766>, <http://www.irandoc.acir/onto/irandoc/NEMA0004777> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000804> ;
  skos:prefLabel "زاویه‌ها"@fa, "angles"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004777>
  skos:prefLabel "فازهای موج"@fa, "wave phases"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000803> .

<http://www.irandoc.acir/onto/irandoc/NEMA000808>
  skos:prefLabel "مثلثات"@fa, "trigonometry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000803> .

<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/NEMA000803> .

<http://www.irandoc.acir/onto/irandoc/NEMA000795>
  skos:prefLabel "مختصات قطبی"@fa, "polar coordinates"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000803> .

<http://www.irandoc.acir/onto/irandoc/NEMA000804>
  skos:prefLabel "هندسه مسطحه"@fa, "plane geometry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000803> .