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Term 1: Term 2:

(subclass OpticalDiscDrive DiskDrive) ComputerInput.kif 770-770 OpticalDiscDrive は DiskDrive の subclass では %n
(subclass CDDrive OpticalDiscDrive) ComputerInput.kif 775-775 CDDrive は OpticalDiscDrive の subclass では %n
(subclass DVDDrive OpticalDiscDrive) ComputerInput.kif 779-779 DVDDrive は OpticalDiscDrive の subclass では %n
(subclass BluRayDrive OpticalDiscDrive) ComputerInput.kif 783-783 BluRayDrive は OpticalDiscDrive の subclass では %n


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