Starting from the analysis and forecast of supply-demand situation of our petroleum oil in the near-and medium-term, the paper discusses the regional optimizing problem of oil resource allocation.
从近中期我国石油供需形势的分析预测入手，探讨了原油配置的区域优化问题。
Markov Chain is suitable for short-term forecast of great capacity sample data sequence, but gray system forecast method is suitable for medium-term forecast of few capacity sample data sequence.
马尔柯夫链适用于大样本数据序列的短期预测，而灰色系统预测方法适用于小样本数据的中期预测。
The important cause that ECMWF medium-term numerical forecast made errors in 1998 is that astronomical tide is not included in the model.
不考虑天文潮汐可能是1998年欧洲中期数值预报产生较大误差的重要原因。
Hence, Grey forecast Modal has been adopted, appropriate software developed for short-term and medium-term load forecast.
选择灰色预测模型，并开发出相应的软件，可作短期负荷预测和中期负荷预测。
Therefore, raising the precision of the medium arid long term power load forecast is of great significance to ensure security, economy and the excellent operation of power grids.
因此，提高中长期电力负荷预测精度，对于保障电网安全、经济、优质运行具有重要意义。
The earthquake forecast system by satellite on the base of seismogeology, which include long- , medium- , short- term and impending prediction, will be formed.
可形成地震地质为基础，长、中、短、临一体化的卫星预测地震系统。
The earthquake forecast system by satellite on the base of seismogeology, which include long- , medium- , short- term and impending prediction, will be formed.
可形成地震地质为基础，长、中、短、临一体化的卫星预测地震系统。
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