WiseWindow, a marketing firm based in Irvine, California, uses social-media activity to forecastdemand for products.
智慧视窗是一家坐落在加利福尼亚尔湾的营销公司，它们使用社交媒体活动来预测产品的需求。
2
Aircraft spare parts, a special materials reserve, are hard to forecastdemand-time and demand-quantity by normal forecasting theory.
航材是一种特殊的物资储备，运用一般预测理论很难对其需求时间和需求量进行预测。
3
How to obtain the effective forecastdemand data from the information which contains deviation is the key factor to reduce the bullwhip effect influence.