A product of research into artificial intelligence, expert systems solve complex problems somewhat like human experts do-by applying rules of thumb.

专家系统是人工智慧研究方面的产品，可以用类似人类专家的方法解决一些复杂的问题——就是利用经验法则。

youdao

Led by artificial-intelligence expert David Waltz, CCLS has created a clutch of compelling smart-grid systems for Con Edison over the past five or six years.

FORBES: East Coast Utility Flexes Innovation Muscle