(subclass ComputerDisplay ComputerOutputDevice) | ComputerInput.kif 138-138 | ComputerDisplay 是 电脑输出设备 的 subclass |
(subclass ComputerDisplay DataDisplayDevice) | ComputerInput.kif 139-139 | ComputerDisplay 是 DataDisplayDevice 的 subclass |
(subclass ComputerScreen ComputerDisplay) | ComputerInput.kif 156-156 | ComputerScreen 是 ComputerDisplay 的 subclass |