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

<http://www.irandoc.acir/onto/irandoc/NEMA0002798>
  skos:prefLabel "دستگاه‌های سیبرنتیک"@fa, "cybernetic systems"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004087> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007710>
  skos:prefLabel "رایانه‌های قیاسی"@fa, "analog computers"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004087> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004090>
  skos:prefLabel "تقویت‌کننده‌ها"@fa, "amplifiers"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004087> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004089>
  skos:prefLabel "تقویت‌کننده‌های ولتاژ"@fa, "voltage amplifiers"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004087> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004087>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007710>, <http://www.irandoc.acir/onto/irandoc/NEMA0004089>, <http://www.irandoc.acir/onto/irandoc/NEMA0002798> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004090> ;
  skos:prefLabel "تقویت‌کننده‌های عملیاتی"@fa, "operational amplifiers"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .