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

<http://www.irandoc.acir/onto/irandoc/EIT0006663>
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0006677> ;
  skos:prefLabel "واکنشگاه لوله تحت فشار"@fa, "pressure tube reactor"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/EIT0006677>
  skos:prefLabel "واکنشگاه هسته‌ای"@fa, "nuclear reactor"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0006663> .