| (subclass RecreationOrExerciseDevice Device) | Mid-level-ontology.kif 2374-2374 | 娱乐或运动器材 是 设备 的 subclass |
| (subclass AerobicExerciseDevice RecreationOrExerciseDevice) | Mid-level-ontology.kif 8228-8228 | 有氧运动装置 是 娱乐或运动器材 的 subclass |
| (subclass AnaerobicExerciseDevice RecreationOrExerciseDevice) | Mid-level-ontology.kif 8232-8232 | 无氧运动装置 是 娱乐或运动器材 的 subclass |
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