| (subclass Digging IntentionalProcess) | Mid-level-ontology.kif 18007-18007 | 挖掘 是 有意图过程 的 subclass |
| (subclass Digging SurfaceChange) | Mid-level-ontology.kif 18008-18008 | 挖掘 是 表面变化 的 subclass |
| (subclass Burying Digging) | Mid-level-ontology.kif 17994-17994 | 掩埋 是 挖掘 的 subclass |
| (subclass Tilling Digging) | Mid-level-ontology.kif 18018-18018 | 翻耕 是 挖掘 的 subclass |
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