【摘要】 生活中的“购物高峰”已逐渐成为商场急待解决的问题。但如设计一种“自动收款系统”。不仅可以减少劳动力、降低成本和提高商场的总体效益,而且可使商场一些连锁的问题得到进一步解决。更多还原

【Abstract】 The high peak of shopping in our lives is a problem that needs to be settled urgently in stores. If a kind of Automatic money - collecting System is designed, it can not only reduce labor force and production cost and increase total income of the stores, but also is a solution to the problem of chain stores.更多还原