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

<http://www.irandoc.acir/onto/irandoc/CAB0054273>
  skos:prefLabel "کاتیون‌های تبادلی"@fa, "exchangeable cations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0054272> .

<http://www.irandoc.acir/onto/irandoc/CAB0054272>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0054273> ;
  skos:prefLabel "کلسیم تبادلی"@fa, "exchangeable calcium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .