However, since the field knowledge of power system is characterized with a lot of experiential knowledge, it is a bit difficult to develop an expert system with study function.

然而，由于电力系统领域知识往往具有经验性知识较多的特点，所以开发具有学习功能的专家系统有一定难度。

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The more people see and learn about what is happening regionally, nationally and globally the better, since knowledge is power.

FORBES: The Sounding Board