The creep and shrinkage of concrete is the major problem that leads to the enlargement of crack width in concrete structures, under the action of long-term load.
混凝土的徐变和收缩是长期荷载作用下混凝土结构裂缝宽度扩大的主要影响因素。
Aiming at the features of medium and long-term load forecasting, a comprehensive model for medium and long-term load forecasting based on Analytic Hierarchy Process (AHP) was put forward.
针对中长期电力负荷预测特点，提出了一种基于AHP(层次分析法)的中长期电力负荷预测综合模型。
Because the medium and long term load forecasting in distribution network is affected by many uncertain factors, up to now, no methods can obtain the satisfying forecasting results at all instances.
由于配电网中长期负荷预测，会受到很多不确定因素的影响。因此，到目前为止，还没有哪一种方法能保证在任何情况下都能获得满意的预测结果。
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。
In this paper , two grey prediction models which are applied to long term load forecast in regional power grid planning are discussed.
本文将灰色预测中的数列预测模型和系统预测模型应用于农村电力网规划中的用电需求预测。
In this paper, the application of artificial neural network (ANN) for short - term load forecasting and mid - long - term load forecasting are analyzed and compared.
本文分别对人工神经网络(ANN)在短期负荷预测和中长期负荷预测中的应用进行了分析、对比。
In this paper, the application of artificial neural network (ANN) for short - term load forecasting and mid - long - term load forecasting are analyzed and compared.
本文分别对人工神经网络(ANN)在短期负荷预测和中长期负荷预测中的应用进行了分析、对比。
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