The Local activity theory of the Cellular Nonlinear Network(CNN) has provided a powerful tool for studying the emergence and change of the dynamic behaviors of complex systems consisting of homo- geneous media.

• 细胞神经网络（CNN）的局部活动性理论为研究由同质介体构成的复杂系统动力学行 为的突现和转化提供了有力工具，本文介绍了CNN的局部活动性原理；