incitant

Design is controled and evaluated by the factors of social relations . At the same time , design activities must follow the social value evaluation in that times . Design should really become an important incitant factors in the social system .

社会关系中的各因素制约和评判着设计本身，同时设计活动也必须遵循所处时代下的社会价值评判准则，使之真正成为社会系统的一个重要的促进因素而存在。

Internal incitant factors and external trigger factors which give rise to the fluctuation of landslide disaster system are analysed . The Dissipative Structure model of the landslide disaster system is constructed , and combining the model , the evolution mechanism of landslide disaster system is analysed . 5 .

分析滑坡灾害系统中引起系统涨落的内部激化因素和外部触发因素，构建滑坡灾害的耗散结构模型，并结合模型分析滑坡灾害系统的演变机理。