This article discussed how the reliable knowledge comes into being, based on the term of technological innovation, with the evolutional thought.
围绕技术创新，从进化论角度，讨论了可靠的知识是怎样形成的。
Teaching knowledge of expert system can be shown by the neural rules, which comes into being based on calculated symbols of neural system, one of the mixed systems.
而专家系统中的教学知识则用神经规则来表示，该规则是一种根据神经计算集成的符号规则，属于混合规则中的一种。
Knowledge spillover effect comes into being along with the emergence of knowledge and become much stronger while knowledge is considered as an inseparable factor of production inputs.
知识的溢出效应随知识的产生而产生，而且这种溢出效应伴随知识作为生产投入中要素的不可分性而越发强烈。
应用推荐