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Term 1: Term 2:

(subclass ComputerPort EngineeringComponent) ComputingBrands.kif 2554-2554 端口 是 工程组件 的 subclass
(subclass USBPort ComputerPort) ComputingBrands.kif 2870-2870 USBPort 是 端口 的 subclass
(subclass AppleDockPort ComputerPort) ComputingBrands.kif 2881-2881 插槽 是 端口 的 subclass


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