| (subclass MediaSystem Collection) | Mid-level-ontology.kif 14449-14449 | MediaSystem 是 群体 的 subclass |
| (subclass VideoGamePlayer MediaSystem) | Mid-level-ontology.kif 25883-25883 | VideoGamePlayer 是 MediaSystem 的 subclass |
| (subclass MultimediaProjector MediaSystem) | Mid-level-ontology.kif 26224-26224 | MultimediaProjector 是 MediaSystem 的 subclass |
| (subclass AudioCDSystem MediaSystem) | Media.kif 1204-1204 | AudioCDSystem 是 MediaSystem 的 subclass |
| (subclass DVDSystem MediaSystem) | Media.kif 1269-1269 | DVDSystem 是 MediaSystem 的 subclass |
| (subclass VCRSystem MediaSystem) | Media.kif 1382-1382 | VCRSystem 是 MediaSystem 的 subclass |
| (subclass AppleIPod MediaSystem) | ComputingBrands.kif 817-817 | IPod 是 MediaSystem 的 subclass |
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