Kòng / zhì / lùn / yán / jiū / xì / tǒng / rú / hé / tōng / guò / fǎn / kuì / shí / xiàn / zì / dòng / tiáo / jié。控制论研究系统如何通过反馈实现自动调节。Cybernetics studies how systems use feedback to regulate themselves automatically.