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

<http://www.irandoc.acir/onto/irandoc/NEMA0003479>
  skos:prefLabel "احتراق"@fa, "combustion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0003469> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008852>
  skos:prefLabel "موتورهای جت"@fa, "jet engines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0003469> .

<http://www.irandoc.acir/onto/irandoc/NEMA0003469>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008852> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0003479> ;
  skos:prefLabel "احتراق زبرصوتی"@fa, "supersonic combustion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .