This paper inserts grey system, makes use of finite time series, follows GM (1, 1) building method, builds the long term prediction model of total waste -water in Heilongjiang Province.

本文引入灰色系统理论，利用有限的时间序列，按照GM(1,1)建模方法，建立起黑龙江省污水总量长期预测模型。

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This paper builds up a dynamic analysis method for slope stability, an accelerated deformation prediction model for mid and long-term, and two modifying prediction models for temporary sliding.

此论文描述一个动态边坡稳定性分析方法，预测中长期加速变形规律。 同时还包括两个改进的临时滑动预测模型。

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Case study shows that this method is more accurate and faster than single grey prediction and single neural network method. It is a useful method for long term load forecasting.

最后采用我国某省年用电量的预测的算例表明该方法的预测精度优于单一的灰色预测和单一的神经网络预测方法，为电力系统长期负荷预测提供了一种有用的方法。

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