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

<http://www.irandoc.acir/onto/irandoc/NEMA0007146>
  skos:prefLabel "پیشرانش الکتریکی"@fa, "electric propulsion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007149> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007149>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007799>, <http://www.irandoc.acir/onto/irandoc/NEMA0007146>, <http://www.irandoc.acir/onto/irandoc/NEMA0007152> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0007153> ;
  skos:prefLabel "پیشرانش زیرآب"@fa, "underwater propulsion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0007153>
  skos:prefLabel "پیشرانش"@fa, "propulsion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0007149> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007799>
  skos:prefLabel "زیردریایی‌ها"@fa, "submarines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007149> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007152>
  skos:prefLabel "پیشرانش هسته‌ای"@fa, "nuclear propulsion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007149> .