说明：  超市管理系统就是典型管理信息系统，通过超市商品系统对超市商品进行管理具有人工管理所无法比拟的优点——例如：检索迅速、查找方便、可靠性高、存储量大、保密性好、寿命长、成本低等。
(Supermarket management system is a typical management information system, through supermarket goods supermarket commodity management system has the advantage of manual management incomparable- for example: the rapid retri , search convenient, high reliability, large memory capacity, security and good, long life and low cost.)