This paper established the yield and conflux forecasting scheme of reservoir flood based on analyzing error generation characteristics of Zhanghe reservoir flood.
在分析漳河水库入库洪水误差特点的基础上，建立了入库洪水产汇流预报方案。
According to the characteristics of landslide research and the GIS software, this article has discussed the design of time forecasting sad predicting system for the landslide based on the GIS.
根据滑坡研究特点和GIS软件的特点，探讨了基于GIS的滑坡时间预测预报系统的设计。
This thesis summarizes the short life cycle products 'demand characteristics. Based on these characteristics, the conclusion that short life products 'forecasting is inevitable is got.
本文总结了短生命周期产品的需求特征，在此基础上说明短生命周期产品的需求预测是不可避免的。
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