【摘要】 简述消息的含义，在此基础上建立了信息的概念及运算，并给出灰信息、模糊信息、未确知信息、随机信息的定义及数学表达更多还原

【Abstract】 This paper first briefly states the meaning of news; then, from this, sets up the concept and operations of information. Further,it gives the definitions and mathematical expressions of grey information, fuzzy information, unascertained information, random information respectively.更多还原