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

<http://www.irandoc.acir/onto/irandoc/insp0009410>
  skos:prefLabel "Clock"@en, "ساعت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0009407> .

<http://www.irandoc.acir/onto/irandoc/insp0009407>
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "ساعت اتمی"@fa, "Atomic clock"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007102>, <http://www.irandoc.acir/onto/irandoc/insp0001918>, <http://www.irandoc.acir/onto/irandoc/insp0007244>, <http://www.irandoc.acir/onto/irandoc/insp0009453>, <http://www.irandoc.acir/onto/irandoc/insp0005231>, <http://www.irandoc.acir/onto/irandoc/insp0001915> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0009410> ;
  skos:altLabel "maser clock"@en .

<http://www.irandoc.acir/onto/irandoc/insp0007244>
  skos:prefLabel "Time measurement"@en, "اندازه‌گیری زمان"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009407> .

<http://www.irandoc.acir/onto/irandoc/insp0009453>
  skos:prefLabel "Frequency meter"@en, "بسامدسنج"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009407> .

<http://www.irandoc.acir/onto/irandoc/insp0001915>
  skos:prefLabel "Frequency standard"@en, "استاندارد بسامد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009407> .

<http://www.irandoc.acir/onto/irandoc/insp0007102>
  skos:prefLabel "Frequency measurement"@en, "اندازه‌گیری بسامد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009407> .

<http://www.irandoc.acir/onto/irandoc/insp0005231>
  skos:prefLabel "Maser"@en, "میزر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009407> .

<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:related <http://www.irandoc.acir/onto/irandoc/insp0009407> .