Preferred Name |
coal |
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Synonyms |
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Definitions |
A combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. |
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ID |
http://purl.obolibrary.org/obo/ENVO_02000091 |
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Creator | ||
label |
coal |
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prefixIRI |
ENVO:02000091 |
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prefLabel |
coal |
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文本定义 |
A combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. |
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subClassOf |
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