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