求翻译：本文对BP神经网络算法结合遗传神经网络算法使用几种改进方式进行改进BP神经网络手写字母识别实验。根据VC++编程，手写字母识别率最高达到90%，识别算法有待改进以提高识别率。是什么意思？

This combination of BP neural network algorithm using genetic neural network algorithm are several ways to improve handwriting letters improved BP neural network recognition experiments. According to VC + + programming, handwritten letter recognition rate up to 90% of the recognition algorithm could

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This article on the BP neural network algorithm uses several improved genetic neural network algorithm for handwritten character recognition experiment of improved BP neural network. According to the VC++ program, hand-written character recognition rate up to 90%, recognition could be improved to in

This article on the BP neural network algorithm uses several improved genetic neural network algorithm for handwritten character recognition experiment of improved BP neural network. According to the VC++ program, hand-written character recognition rate up to 90%, recognition could be improved to in