Распределение частот
Atribución de frecuencias
Attribution de fréquences
Allocation of frequencies
Антенны
Antena
Antenne
Antennas
Обработка данных
Procesamiento de datos
Traitement des données
Data processing
Электромагнитные волны
Onda electromagnética
Onde électromagnétique
Electromagnetic waves
Микроволны
Microondas
Microonde
Microwaves
Радиотехника
Radioingeniería
Technologie de la radio
Radio engineering
Radio waves
Onde radio
Радиоволны
Onda de radio
Sciences de la physique
Physical sciences
Ciencias físicas
Физические науки
Тезаурус ЮНЕСКО
Thésaurus de l'UNESCO
Tesauro de la UNESCO
UNESCO Thesaurus
Concept
Broader concepts are typically rendered as parents in a concept hierarchy (tree).
has broader
Relates a concept to a concept that is more general in meaning.
is in scheme
Relates a resource (for example a concept) to a concept scheme in which it is included.
Narrower concepts are typically rendered as children in a concept hierarchy (tree).
has narrower
Relates a concept to a concept that is more specific in meaning.
skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.
The range of skos:prefLabel is the class of RDF plain literals.
A resource has no more than one value of skos:prefLabel per language tag.
preferred label
The preferred lexical label for a resource, in a given language.
skos:related is disjoint with skos:broaderTransitive
has related
Relates a concept to a concept with which there is an associative semantic relationship.