以人工神经网络的前馈型网络为基础结构，基于反向传播算法进行学习和训练来拟和证券价格指数的运动趋势。

In this model, back propagation algorithm based on forward networks was conducted to learn information of historical data and to train the network weights.

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该文介绍了一种基于人工神经网络的软件失效预测模型，给出了基于反向传播算法的多层前向网络的网络结构。

This paper presents a kind of software faults prediction model based on artificial neural network and the structure of the feed-forward multi-layer network with backpropagation learning algorithm.

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基于反向传播（BP）神经网络，建立了民用航空航段安全风险评估模型。

This research built a flight phase safety risk assessment model basing on Back Propagation(BP) neural network.

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