(subclass RecreationOrExerciseDevice Device) | Mid-level-ontology.kif 2374-2374 | 子類 娛樂或運動器材 and Device |
(subclass AerobicExerciseDevice RecreationOrExerciseDevice) | Mid-level-ontology.kif 8227-8227 | 子類 有氧運動裝置 and 娛樂或運動器材 |
(subclass AnaerobicExerciseDevice RecreationOrExerciseDevice) | Mid-level-ontology.kif 8231-8231 | 子類 無氧運動裝置 and 娛樂或運動器材 |
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