SquareFoot |
appearance as argument number 1 |
(instance SquareFoot UnitOfArea) | Mid-level-ontology.kif 13651-13651 | SquareFoot 是 UnitOfArea 的 instance |
appearance as argument number 2 |
(termFormat EnglishLanguage SquareFoot "square foot") | domainEnglishFormat.kif 65535-65535 |