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

<http://www.irandoc.acir/onto/irandoc/insp0011936>
  skos:altLabel "bwt"@en ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0011935>, <http://www.irandoc.acir/onto/irandoc/insp0005604> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0011938> ;
  skos:prefLabel "Backward wave tube"@en, "لامپ موج پس‌سو"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0005604>
  skos:prefLabel "Backward wave oscillator"@en, "نوسانگر موج پس‌سو"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0011936> .

<http://www.irandoc.acir/onto/irandoc/insp0011935>
  skos:prefLabel "Carcinotron"@en, "کرسینوترون"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0011936> .

<http://www.irandoc.acir/onto/irandoc/insp0011938>
  skos:prefLabel "Travelling wave tube"@en, "لامپ موج رونده"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0011936> .