计算机硬件系统的设计方法，必要时可增加中央处理机的硬件或外部设备来扩充机器的性能。

The design of computers to permit expansion of their capabilities by increasing the central processor 's hardware and the number of peripheral devices as required.

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电子排版系统：一套完整的系统设备包括分色机、文字输入机、具有拼版及在版面上加蒙片和平网等功能的中央处理机和激光图文影排机。

Electronic page composition system: a complete system comprises the colour scanner, text input, a CPU that provides masking, page assembly, tint applying functions and a laser image setter.

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由不受中央处理器控制的脱机设备执行的操作。

The operation cannot be performed because the connection to the server is offline.

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