The applications of neural network in canal control are discussed, and the research can provide reference for the research of canal automatic control by means of neural network control theory.

讨论了神经网络在渠系运行控制的应用，为用神经网络理论研究渠道运行自动控制提供一种理论和方法上的探讨。

AIM: To study the relationship between the level of spinal canal stenosis and neural functional injury measured by ct fault images in different part of blow-out thoracolumbar fractures.

目的：探讨不同部位胸腰椎爆裂性骨折ct断层扫描测得的椎管狭窄程度与神经功能损伤的关系。