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

<http://www.irandoc.acir/onto/irandoc/INSP0001940>
  skos:prefLabel "پایداری بسامد"@fa, "frequency stability"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001915> .

<http://www.irandoc.acir/onto/irandoc/INSP0009407>
  skos:prefLabel "atomic clock"@en, "ساعت اتمی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001915> .

<http://www.irandoc.acir/onto/irandoc/INSP0007244>
  skos:prefLabel "اندازه‌گیری زمان"@fa, "time measurement"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001915> .

<http://www.irandoc.acir/onto/irandoc/INSP0001915>
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001940>, <http://www.irandoc.acir/onto/irandoc/INSP0009407>, <http://www.irandoc.acir/onto/irandoc/INSP0007244> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0007102>, <http://www.irandoc.acir/onto/irandoc/INSP0001918> ;
  skos:prefLabel "frequency standard"@en, "استاندارد بسامد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0007102>
  skos:prefLabel "اندازه‌گیری بسامد"@fa, "frequency measurement"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0001915> .

<http://www.irandoc.acir/onto/irandoc/INSP0001918>
  skos:prefLabel "measurement standard"@en, "استاندارد اندازه‌گیری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0001915> .