过去，针对零售商的店内技术包括传统的前端销售点（即收银机）、关联的收据打印机、扫描仪和显示器。
In the past, the in-store technology focus for retailers included the traditional front-end point of sale (that is, cash register), associated receipt printers, scanners, and displays.
过去二十年间计算机价格的急剧下降使得对打印机、显示器和网络接入的需求量显著增加。
The dramatic fall in the price of computersover the past twenty years has significantly increased the demand for printers, monitors and internet access.
这些我们所认为的“所有的颜色”从我们的显示器，打印机和其他数码影像设备发出，并且它们都可以“RGB色彩空间（这 ..
The thing we consider as “all possible colors” produced or emitted in our monitors, printers, other displays and digital imaging devices are what we call, or can be found, in an RGB color space.
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