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

<http://www.irandoc.acir/onto/irandoc/insp0004254>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000184>, <http://www.irandoc.acir/onto/irandoc/insp000217> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0004255> ;
  skos:prefLabel "Earth-ionosphere waveguide"@en, "موج‌بر زمین-یون‌سپهر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp000217>
  skos:prefLabel "Radiowave propagation"@en, "انتشار موج رادیویی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004254> .

<http://www.irandoc.acir/onto/irandoc/insp000184>
  skos:prefLabel "Waveguide"@en, "موج‌بر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004254> .

<http://www.irandoc.acir/onto/irandoc/insp0004255>
  skos:prefLabel "Ionospheric electromagnetic wave propagation"@en, "انتشار موج الکترومغناطیسی یون‌سپهر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0004254> .