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简述了人工神经网络的发展历史，详述了Ｂ－Ｐ神经网络的基本原理，介绍了其在地震研究中的应用。文后对神经网络研究中应注意的问题进行了讨论
The development history of artificial neural network is briefly described. The basic principle of B-P neural network is described in detail, and its application in earthquake research is introduced. After that, the problems that should be paid attention to in neural network research are discussed