By representing programs, program functions, and data as two-dimensional images - like ICONS, buttons and Windows - the GUI made intuitive and spatial what had been memory intensive and laborious.
通过表示程序，把程序中函数和数据表示成二维的图片——就像图标，按钮和窗口一样——GUI使得原本需要耗费体力仔细记忆的内容变得直观和容易理解。
Printing method for two-dimensional code symbol, printer, drive and memory medium.
二维码符号的打印方法，打印机，驱动器及存储介质。
Printing method for two-dimensional code symbol, printer, drive and memory medium.
二维码符号的打印方法，打印机，驱动器及存储介质。
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