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

<http://www.irandoc.acir/onto/irandoc/NEMA0001906>
  skos:prefLabel "زهکشی زیرزمینی"@fa, "subsurface drainage"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004722> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004723>
  skos:prefLabel "آبیاری سطحی"@fa, "surface irrigation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004722> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004726>
  skos:prefLabel "آبیاری"@fa, "irrigation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004722> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004722>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004723>, <http://www.irandoc.acir/onto/irandoc/NEMA0001906> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004726> ;
  skos:prefLabel "آبیاری زیرزمینی"@fa, "subsurface irrigation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .