(subclass Hydrocarbon OrganicCompound) | Mid-level-ontology.kif 8582-8582 | 烃 是 有机化合物 的 subclass |
(subclass Rubber Hydrocarbon) | Mid-level-ontology.kif 9181-9181 | 橡胶 是 烃 的 subclass |
(subclass Plastic Hydrocarbon) | Mid-level-ontology.kif 9194-9194 | 塑料 是 烃 的 subclass |
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