The indices of the total population and cultivated land in Heze District is predicted by using the model of GM(1,1), and the total food output is forecasted based on the topological prediction model.
利用GM（1，1）模型预测了菏泽地区的总人口和耕地面积，用拓扑预测模型预测了其粮食总产，并对三者进行了关联度分析。
The law of the variable mass flow in the horizontal wellbore is useful for the horizontal well output prediction, and optimal design and dynamic analysis on oil well production system.
水平井井筒变质量流的流动规律是进行水平井产能预测、油井生产系统优化设计及动态分析的基础。
Model base system is added to software of regime prediction for regional groundwater on the base of data management information system. Subsystem for output of material and outcome are also designed.
区域地下水动态预报软件在数据管理信息系统的基础上增加模型库系统，进行模型辅助决策，并设计了用于资料和结果输出的办公子系统。
Geologist Hubert has observed the typical law of petroleum production and made accurate prediction on the developing trend of petroleum output and storage with the model.
地质学家休伯特曾提出了石油生产的典型规律，并运用该模型对未来石油产储量趋势做了较为准确的预测。
The study shows the selection of input and output models have significant influence on the results of model prediction. To select suitable input and output factors can get better prediction results.
结果表明，模型输入、输出因子的选择对模型预测结果影响很大，选用合适的输入、输出因子，会得到比较好的预测效果。
The study shows the selection of input and output models have significant influence on the results of model prediction. To select suitable input and output factors can get better prediction results.
结果表明，模型输入、输出因子的选择对模型预测结果影响很大，选用合适的输入、输出因子，会得到比较好的预测效果。
应用推荐