说明：  概率神经网是一种基于Bayes 分类规则与Parzen 窗的概率密度面数估计方法发展而来的并行算法。它是一类结胸简单、训练简洁、应用广泛的人工神经网络。
(Probabilistic Neural Network (PNN) is a parallel algorithm based on Bayes classification rules and Parzen window. It is a kind of artificial neural network with simple chest knot, concise training and wide application.)