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Term 1: Term 2:

(subclass AreaOfConcern RelationalAttribute) Geography.kif 6802-6802 子類 關注的區域 and RelationalAttribute
(subclass TransnationalIssue AreaOfConcern) Government.kif 2608-2608 子類 跨國問題 and 關注的區域
(subclass EnvironmentalIssue AreaOfConcern) Geography.kif 6818-6818 子類 環境問題 and 關注的區域


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