一种计算机软件系统。它预先把各专门领域中的专家的知识、思维方法、经验总结成规律存入电脑，使电脑可以模仿人的思维活动进行推理和判断，根据用户要求作出判断决策。因为它在一定程度上发挥了专家的作用，故称专家系统【信】expert system

• 当然，“专家系统”的知识是人们赋予它的。

  Of course, the knowledge of an "expert system" was given to it by people.

• 电脑农业专家系统让他成为该县首个“苹果万元户”。

  The computerized agriculture expert system helped him become the first household in the county to make 10,000 yuan from apples.