At this foundation on, forecast the item economy ascend whether in reason, finance ascend whether earnings. Pass the possibility research, should develop whether item can go or not definitely.
在此基础之上，预测本项目经济上是否合理，财务上是否盈利，从而明确该开发项目是否可行。
2
The forecast model includes three parts of the sequential auto-regression item, linear regression item and double-linear item.
预测模型包含时序自回归项、线性回归项和双线性项三部分。
3
Purchase to stock-the demand response method where an end item or service part required for an expected customer order is purchased and stocked against a forecast.