Premodifier: frequencyHead noun: reference
Same concepts |
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http://dbpedia.org/resource/Frequency_standard |
Broader concepts
label | provenance | confidence |
---|---|---|
reference signal | isap:132184903 | 0.696723 |
Narrower concepts
label | provenance | confidence |
---|---|---|
gp | isap:98319752 | 0.281609 |