(subclass SpeakerDevice ElectricDevice) | Mid-level-ontology.kif 26034-26034 | SpeakerDevice 是 电器 的 subclass |
(subclass SpeakerDevice Device) | ComputerInput.kif 475-475 | SpeakerDevice 是 设备 的 subclass |
(subclass ElectricSpeakerDevice SpeakerDevice) | ComputerInput.kif 484-484 | ElectricSpeakerDevice 是 SpeakerDevice 的 subclass |