A need for a particular product or component. The demand could come from any number of sources (e.g, a customer order or forecast, an interplant require?ment, a branch warehouse request for a service part, or the manufacturing of another product). At the finished goods level, demand data is usually different from sales data because demand does not necessarily result in sales (i.e, if there is no s tock, there will be no sale). There are generally up to four components of demand: cyclical component, random component, seasonal component, and trend component. See: booked orders.
需求—对某种产品或部件的需求。需...