@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://rdf-vocabulary.ddialliance.org/xkos#type> rdfs:label "type"@en, "نوع"@fa .
<http://www.irandoc.acir/onto/irandoc/908ef485-0c60-497a-9efb-49190e5dd258>
  ns0:type skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/a9c20b4d-69a1-40f1-81c1-86b01859b80c> ;
  skos:prefLabel "Lattices in beam optics"@en, "شبکه‌ها در اپتیک پرتو"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/a9c20b4d-69a1-40f1-81c1-86b01859b80c>
  skos:prefLabel "Beam optics"@en, "اپتیک پرتو"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/908ef485-0c60-497a-9efb-49190e5dd258> .