随着神经网络研究的深入，神经网络在理论上有了很大突破，并在实践中发挥着越来越重要的作用。本文介绍了径向基网络，支撑矢量机，小波神经网络，反馈神经网络这几种典型的神经网络结构模型、特点及应用。- With in-depth study of neural networks, neural networks have great breakthrough in theory and in practice is playing an increasingly important role. This article introduced the RBF networks, support vector machines, wavelet neural networks, feedback neural networks with their concepts, features and applications in scientific research field.