An order is represented as a predicate Order(S,Q,D,P) where S is the supplier,Q is the quantity ordered,D is the due dat
An order is represented as a predicate Order(S,Q,D,P) where S is the supplier,Q is the quantity ordered,D is the due date,and P is the unit price.的意思
英语人气：998 ℃时间：2020-06-23 14:35:26
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采购订单由S,Q,D ,P按预先确定顺序来表达：S代表供货商,Q代表定购数量,D代表截至日期,P代表单价.
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