专家系统 zhuānjiāxìtǒng expert system Definitions Defs Origin Strokes Stroke Words Sentences Sents 专家 專家 zhuānjiā noun expert expert; specialist; a person who has special knowledge or skills in a particular field系统 系統 xìtǒng noun system A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.