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虽然计算机及外围设备的 软、硬件产品已有了相当程度的标准化，使得不同生产厂商提供的产品能够相互兼容，但长期以来，构成商业ＰＯＳ系统的硬件设备和软件平台以及其间的接口却仍然没有统一的标准，很多ＰＯＳ前台软件开发者和ＰＯＳ的使用者深感由于各ＰＯＳ和外围设备厂家
Although the hardware and software products of computers and peripherals have been standardized to a considerable degree and the products provided by different manufacturers are compatible with each other, the hardware devices and software platforms that constitute the commercial POS system and the interfaces therefor have not been A unified standard, many POS front-end software developers and POS users are deeply impressed by the POS and peripheral equipment manufacturers