分系统 fēnxìtǒng subsystem Origin Definitions Defs Strokes Stroke Words Sentences Sents 分 fēn noun branch (bound form) a branch or subdivision of an organization, such as a branch office or sub-station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.