(subclass ComputerBackingUp DataTransfer) | ComputingBrands.kif 3489-3489 | ComputerBackingUp 是 数据传输 的 subclass |
(subclass ComputerBackingUp Copying) | ComputingBrands.kif 3490-3490 | ComputerBackingUp 是 模仿 的 subclass |
(subclass ComputerBackingUp ComputerProcess) | ComputingBrands.kif 3491-3491 | ComputerBackingUp 是 电脑程序 的 subclass |