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Term 1: Term 2:

(subclass AudioVisualFile ImageFile) Media.kif 1466-1466 AudioVisualFile 是 图像文件 的 subclass
(subclass AudioVisualFile AudioFile) Media.kif 1467-1467 AudioVisualFile 是 AudioFile 的 subclass
(subclass AudioVisualFile MultimediaFile) Media.kif 1468-1468 AudioVisualFile 是 MultimediaFile 的 subclass


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