英语翻译
问题描述：
英语翻译
18 ,universal product code ( u p c )
Bar code read by optical scanner in systems that print the name and price of each item on a receipt .
19 ,profit maximization
Pricing strategy in which managers set an increasing level of profitability as an objective .
20 ,sales maximization
Pricing strategy under which managers set an acceptable minimum level of profitability and then try to maximize sales .
答
18.通用产品代码 (UPC)
条形码通过系统中的光学扫描器读取,收据上打印出每一项的名称和单价.
19.利润最大化
管理者（或经理）设定不断增长的盈利水平作为目标的定价策略.
20.销量最大化
管理者（或经理）设定可接受的最小盈利标准从而尽力使销量最大化的定价策略.