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

<http://www.irandoc.acir/onto/irandoc/NEMA0006239>
  skos:prefLabel "خواص الکتریکی"@fa, "electrical properties"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0006236> .

<http://www.irandoc.acir/onto/irandoc/NEMA000354>
  skos:prefLabel "خواص نوری"@fa, "optical properties"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0006236> .

<http://www.irandoc.acir/onto/irandoc/NEMA0006236>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004178>, <http://www.irandoc.acir/onto/irandoc/NEMA000354> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0006239> ;
  skos:prefLabel "خواص فوتوالکتریک"@fa, "photoelectric properties"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004178>
  skos:prefLabel "دستگاه‌های فوتوالکتریکی"@fa, "photoelectric devices"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0006236> .