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Term 1: Term 2:

(subclass ArrowKey SpecialComputerKeyboardKey) ComputerInput.kif 292-292 ArrowKey 是 SpecialComputerKeyboardKey 的 subclass
(subclass RightArrowKey ArrowKey) ComputerInput.kif 297-297 RightArrowKey 是 ArrowKey 的 subclass
(subclass LeftArrowKey ArrowKey) ComputerInput.kif 301-301 LeftArrowKey 是 ArrowKey 的 subclass
(subclass UpArrowKey ArrowKey) ComputerInput.kif 306-306 UpArrowKey 是 ArrowKey 的 subclass
(subclass DownArrowKey ArrowKey) ComputerInput.kif 312-312 DownArrowKey 是 ArrowKey 的 subclass


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