证实了法布里-泊罗标准具中向列液晶的可激性，当系统具有空间延展性时，得到了螺旋波以及不同的斑图的形成。

Excitability in a nematic liquid crystal cell in a Fabry-Perot was confirmed. When this system has spacial extensions, spirals and other patterns were obtained.

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群体生灭是复杂的随机过程，但它是具泊松性质的马尔科夫过程，因而可以用马尔科夫决策规划的理论和方法来研究。

A colony "birth-and-death" process is complicated stochastic process, a Markovian process with the nature of Poisson. And it cak be studied by the theory and method of Markovian decision programming.

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