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

<http://www.irandoc.acir/onto/irandoc/CAB0002307>
  skos:prefLabel "انرژی خورشیدی"@fa, "solar energy"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0002739> .

<http://www.irandoc.acir/onto/irandoc/CAB0002739>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0002735>, <http://www.irandoc.acir/onto/irandoc/CAB0002307> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0002743> ;
  skos:prefLabel "پیل فوتوولتایی"@fa, "photovoltaic cells"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0002735>
  skos:prefLabel "پیل فوتوالکتریک"@fa, "photoelectric cells"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0002739> .

<http://www.irandoc.acir/onto/irandoc/CAB0002743>
  skos:prefLabel "power generation and supply equipment"@en, "تجهیزات تامین و تولید نیرو"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0002739> .