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Term 1: Term 2:

(subclass AlphabeticCharacter Character) Mid-level-ontology.kif 19466-19466 字母字符字符subclass
(subclass Consonant AlphabeticCharacter) Mid-level-ontology.kif 19474-19474 辅音字母字符subclass
(subclass Vowel AlphabeticCharacter) Mid-level-ontology.kif 19478-19478 元音字母字符subclass


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