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

<http://www.irandoc.acir/onto/irandoc/INSP0004669>
  skos:prefLabel "tandem accelerator"@en, "شتاب‌دهنده دو مرحله‌ای"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0004670> .

<http://www.irandoc.acir/onto/irandoc/INSP0004671>
  skos:prefLabel "electrostatic accelerator"@en, "شتاب‌دهنده ایستابرقی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0004670> .

<http://www.irandoc.acir/onto/irandoc/INSP0004670>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0004669> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0004671> ;
  skos:prefLabel "van de Graaff accelerator"@en, "شتاب‌دهنده وندگراف"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .