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Term 1: Term 2:

(subclass VolcanicEruption GeologicalProcess) Geography.kif 2431-2431 子類 火山爆發 and 地質過程
(subclass VolcanicGasRelease VolcanicEruption) Geography.kif 6768-6768 子類 火山氣釋放 and 火山爆發


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