支系统 zhīxìtǒng subsystem Definitions Defs Origin Strokes Stroke Words Sentences Sents 支 zhī noun branch (bound form) branch; offshoot; side stream; a division of a larger organization or system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.