The grey system model is efficient for long-term port throughput forecasting.
灰色系统预测模型是一种进行港口吞吐量预测的有效方法。
At last, a grey system model is used to show the relevancy between lottery industry and macro-economy.
最后，使用灰色系统模型对彩票业与宏观经济的关系作了关联分析。
Then the after test rule verifies that grey system model has quite a good effect on the library loan prediction.
根据灰色系统模型的后验差检验准则，检验其是否适用于预测借阅量，检验结果表明模型的应用效果良好。
Using improved euler method to solve the grey system model was simple and rapid. The predicted value accorded basically with the surveying value.
采用改进的欧拉算法求解灰色系统模型简单快捷，预测结果与实测值基本符合。
Investigates a method of time series model with grey system model. Rules in time series can be found by GM (1, 1) model and the trend of the time series can be forecasted.
研究了利用GM(1,1)模型发现时间序列模式的方法，用GM(1,1)模型可以从时间序列中寻找变化规律，预测将来的发展趋势。
According to Grey Forecasting theory, this paper presents two sets of Grey System Model which can be applied to forecast heating load — GM (1, 1) and Grey Correction Model.
本文根据灰色预测理论，提出了两种适用于供热负荷预测的灰色系统方法——GM(1,1)法和灰色校正模型法。
According to Grey Forecasting theory, this paper presents two sets of Grey System Model which can be applied to forecast heating load — GM (1, 1) and Grey Correction Model.
本文根据灰色预测理论，提出了两种适用于供热负荷预测的灰色系统方法——GM(1,1)法和灰色校正模型法。
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