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

<http://www.irandoc.acir/onto/irandoc/AEM000590>
  skos:prefLabel "Nuclear energy"@en, "انرژی هسته‌ای"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AEM000589> .

<http://www.irandoc.acir/onto/irandoc/AEM000589>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AEM000588> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/AEM000590> ;
  skos:prefLabel "Nuclear engineering"@en, "مهندسی هسته‌ای"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/AEM000588>
  skos:prefLabel "Nuclear reactor"@en, "واکنشگاه هسته‌ای"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/AEM000589> .