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

<http://www.irandoc.acir/onto/irandoc/INSP0005250>
  skos:prefLabel "تقویت‌کننده"@fa, "amplifier"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0005208> .

<http://www.irandoc.acir/onto/irandoc/INSP0005208>
  skos:altLabel "push pull amplifier"@en ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0005207> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0005250> ;
  skos:prefLabel "تقویت‌کننده تفاضلی"@fa, "differential amplifier"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0005207>
  skos:prefLabel "تقویت‌کننده سنج‌افزارگزینی"@fa, "instrumentation amplifier"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0005208> .