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Term 1: Term 2:

(subclass AudioVisualDataStorageDevice AudioDataStorageDevice) Media.kif 847-847 AudioVisualDataStorageDevice 是 AudioDataStorageDevice 的 subclass
(subclass AudioVisualDataStorageDevice VideoDataStorageDevice) Media.kif 848-848 AudioVisualDataStorageDevice 是 VideoDataStorageDevice 的 subclass
(subclass AudioCassette AudioVisualDataStorageDevice) Media.kif 1371-1371 AudioCassette 是 AudioVisualDataStorageDevice 的 subclass


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