计算理论导引第二版中的交错式（交错式图灵机）、概率算法(BPP类、素数性)内容概述(An overview of interleaved (interleaved Turing machines) and probabilistic algorithms (BPP class, prime number) in the second edition of computational theory)

此程序是基于BP神经网络的大气能见度预测系统，利用改进的LM算法对能见度进行预测。(Atmospheric visibility prediction system based on BP neural network)