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

<http://www.irandoc.acir/onto/irandoc/NEMA0004945>
  skos:prefLabel "هواپیماهای فراصوت"@fa, "hypersonic aircraft"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004941> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004948>
  skos:prefLabel "هواپیماها"@fa, "airplanes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004941> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007147>
  skos:prefLabel "پیشرانش جت"@fa, "jet propulsion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004941> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004941>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004945>, <http://www.irandoc.acir/onto/irandoc/NEMA0004942>, <http://www.irandoc.acir/onto/irandoc/NEMA0008852>, <http://www.irandoc.acir/onto/irandoc/NEMA0007147> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004948> ;
  skos:prefLabel "هواپیماهای جت"@fa, "jet aircraft"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<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/NEMA0004941> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004942>
  skos:prefLabel "هواپیماهای زبرصوت"@fa, "supersonic aircraft"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004941> .