Base on BP Neural Network, this research has built a flight Phase safety Risk Assessment model.

本文基于BP神经网络，建立了民用航空航段安全风险评估模型。

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The results shows that the model is capable of predicting the possible risk in a flight phase.

试验结果表明，该评估模型能够体现和反映航段安全风险。

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

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。

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