In some computer systems data are entered by a data-entry clerk (using a keyboard) who copies them from a paper record as a sales order or purchase order.
在一些计算机系统数据由复制他们从纸纪录的一名数据输入的干事输入(使用键盘)如同销售定单或购买订单。
The inventory system maintains stock balance data by obtaining stock receipts from the purchase order system and stock issues from the order-entry system.
系统可以维护每种库存物品的成本、售价等数据，以及存货地点和在组织内的分布。
The inventory system maintains stock balance data by obtaining stock receipts from the purchase order system and stock issues from the order-entry system.
系统可以维护每种库存物品的成本、售价等数据，以及存货地点和在组织内的分布。
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