(subclass InternetConnection EngineeringConnection) | Hotel.kif 1387-1387 | InternetConnection 是 工程组件连接件 的 subclass |
(subclass WiredInternetConnection InternetConnection) | Hotel.kif 1410-1410 | WiredInternetConnection 是 InternetConnection 的 subclass |
(subclass WirelessInternetConnection InternetConnection) | Hotel.kif 1422-1422 | WirelessInternetConnection 是 InternetConnection 的 subclass |