规范理论 guīfànlǐlùn gauge theory Origin Definitions Defs Strokes Stroke Words Sentences Sents 规范 規範 guīfàn noun standard a standard, norm, or rule; a requirement for behavior or practice理论 理論 lǐlùn noun theory a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained; doctrine