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随着 BP网络应用的日益广泛，其本身存在的一些问题也越来越充分地暴露出来。首先对 BP网络存在的问题及产生的原因进行了初步探讨，然后针对这些问题及原因，比较系统地研究了影响 BP网络性能的各种改善方法。
With the wide application of BP network, some problems that exist in itself are exposed more and more fully. First of all, the existing problems of BP network and the reasons for the initial exploration, and then for these problems and reasons, a more systematic study of the impact of BP network performance improvement methods.