超级市场扫描器是电子计算机支持的现金出纳机，它带有激光光束，可以识别金枪鱼罐头、杂志、凉菜调料等任何一种产品的条码。

• "Supermarket scanners are' computer-assisted cash registers with laser beams that read symbol codes on just about any kind of product: canned tuna, a magazine, salad dressing. "